./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array6_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array6_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:16:41,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:16:41,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:16:41,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:16:41,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:16:41,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:16:41,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:16:41,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:16:41,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:16:41,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:16:41,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:16:41,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:16:41,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:16:41,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:16:41,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:16:41,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:16:41,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:16:41,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:16:41,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:16:41,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:16:41,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:16:41,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:16:41,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:16:41,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:16:41,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:16:41,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:16:41,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:16:41,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:16:41,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:16:41,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:16:41,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:16:41,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:16:41,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:16:41,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:16:41,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:16:41,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:16:41,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:16:41,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:16:41,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:16:41,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:16:41,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:16:41,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:16:41,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:16:41,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:16:41,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:16:41,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:16:41,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:16:41,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:16:41,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:16:41,684 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:16:41,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:16:41,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:16:41,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:16:41,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:16:41,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:16:41,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:16:41,685 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:16:41,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:16:41,686 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:16:41,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:16:41,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:16:41,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:16:41,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:16:41,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:16:41,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:16:41,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:16:41,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:16:41,688 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:16:41,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:16:41,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:16:41,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 [2021-11-13 23:16:41,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:16:41,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:16:41,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:16:41,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:16:41,991 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:16:41,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-13 23:16:42,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/data/84b344c4d/ff52cc6ec0b746919f0645bd97f2994d/FLAG709fbdbcf [2021-11-13 23:16:42,618 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:16:42,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-13 23:16:42,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/data/84b344c4d/ff52cc6ec0b746919f0645bd97f2994d/FLAG709fbdbcf [2021-11-13 23:16:42,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/data/84b344c4d/ff52cc6ec0b746919f0645bd97f2994d [2021-11-13 23:16:42,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:16:42,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:16:42,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:16:42,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:16:42,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:16:42,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:42" (1/1) ... [2021-11-13 23:16:42,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd71192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:42, skipping insertion in model container [2021-11-13 23:16:42,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:42" (1/1) ... [2021-11-13 23:16:42,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:16:43,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:16:43,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-13 23:16:43,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:16:43,291 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:16:43,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-13 23:16:43,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:16:43,360 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:16:43,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43 WrapperNode [2021-11-13 23:16:43,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:16:43,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:16:43,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:16:43,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:16:43,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:16:43,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:16:43,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:16:43,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:16:43,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:16:43,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:16:43,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:16:43,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:16:43,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:16:43,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:16:43,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:16:43,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07fa300-8f6e-432a-a869-cbd563a4c1ac/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:16:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 23:16:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 23:16:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:16:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:16:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:16:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:16:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:16:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:16:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:16:43,923 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:16:43,923 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:16:43,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:43 BoogieIcfgContainer [2021-11-13 23:16:43,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:16:43,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:16:43,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:16:43,961 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:16:43,962 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:43" (1/1) ... [2021-11-13 23:16:43,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:16:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-13 23:16:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-13 23:16:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:16:44,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:44,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-13 23:16:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 23:16:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:16:44,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:44,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:16:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 24 transitions. [2021-11-13 23:16:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-13 23:16:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:16:44,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:44,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:16:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 38 transitions. [2021-11-13 23:16:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-13 23:16:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:45,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:45,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:45,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:45,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:45,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:45,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:45,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:45,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:45,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:45,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:45,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:45,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:46,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:46,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:47,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:47,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:47,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:47,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:47,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:48,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:48,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:48,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:48,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,717 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:49,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:49,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:49,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:50,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:50,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:50,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:50,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:50,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,906 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:51,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:51,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:51,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:52,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:52,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:52,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:53,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:53,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:53,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:53,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:54,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:54,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:54,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:54,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:55,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:55,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:55,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,537 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,777 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:56,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:56,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:56,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:56,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,308 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:57,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:57,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:57,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:58,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:58,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:58,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:58,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:58,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:16:59,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:16:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:16:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:16:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:16:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:59,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:00,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:00,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:00,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:01,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:01,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:01,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:01,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,217 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:02,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:02,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:02,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,412 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:03,939 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:03,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:03,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:03,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:03,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:04,965 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:04,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:04,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:05,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:05,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:05,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:05,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:06,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:06,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,658 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:07,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:07,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:07,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:07,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,154 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:08,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:08,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:08,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:08,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:09,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:09,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:09,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:09,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:10,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:10,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:10,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:10,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:11,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:11,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:11,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:11,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:11,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,112 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:12,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:12,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:12,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:12,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:12,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:13,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:13,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:13,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:13,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:13,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,217 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,287 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:14,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:14,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:14,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:14,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:14,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:15,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:15,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:15,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:15,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:15,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:16,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:16,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:16,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:16,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:17,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:17,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:17,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:17,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:18,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:18,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:18,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:19,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:19,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:19,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,314 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,776 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:20,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:20,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:20,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:20,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:21,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:21,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:21,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:21,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,794 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:22,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:22,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:22,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,735 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:23,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:23,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:23,973 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:23,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:23,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:24,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:24,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:24,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:24,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,197 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:25,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:25,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:25,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:25,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:26,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:26,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:26,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,644 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:27,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:27,962 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:27,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:27,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:27,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:27,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,695 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:28,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:28,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:29,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:29,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:29,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:29,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:29,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:30,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:30,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:30,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:30,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:31,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:31,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:31,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:31,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:32,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:32,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:32,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:32,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:32,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,074 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,189 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:33,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:33,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:33,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,551 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,611 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:34,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:34,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:34,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:35,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:35,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:35,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:36,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:36,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,273 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,683 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:37,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:37,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:37,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:37,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:38,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:38,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:38,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:38,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:39,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:39,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:39,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:40,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:40,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:40,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:17:40,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:17:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:17:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:17:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:17:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:17:41,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:41,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-13 23:26:39,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:39,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:39,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:39,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:39,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:39,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:39,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:39,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:39,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:39,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:39,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:39,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:39,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:39,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:39,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:39,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:39,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:39,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:39,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:39,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:39,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:39,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:39,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:40,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:40,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:40,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:40,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:40,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:40,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:40,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:40,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:40,210 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:40,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:40,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:40,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:40,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:40,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:40,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:40,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:40,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:40,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:40,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:40,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:40,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:40,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:40,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:40,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:40,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:40,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:40,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:40,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:40,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:40,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:40,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:40,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:41,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:41,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:41,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:41,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:41,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:41,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:41,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:41,889 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:41,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:41,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:42,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:42,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:42,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:42,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:42,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:42,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:42,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:42,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:42,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:42,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:42,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:42,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:42,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:42,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:42,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:43,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:43,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:43,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:43,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:43,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:43,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:43,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:43,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:43,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:44,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:44,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:44,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:44,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:44,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:44,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:44,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:44,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:44,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:44,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:44,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:44,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:44,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:44,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:44,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:44,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:44,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:44,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:44,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:44,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:44,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:44,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:44,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:44,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:44,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:44,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:44,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:44,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:44,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:45,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:45,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:45,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:45,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:45,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:45,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:45,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:45,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:45,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:45,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:45,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:45,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:45,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:45,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:45,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:45,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:45,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:45,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:45,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:45,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:45,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:45,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:46,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:46,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:46,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:46,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:46,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:46,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:46,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:46,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:46,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:46,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:46,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:46,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:46,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:46,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:46,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:46,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:46,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:46,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:46,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:46,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:46,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:46,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:46,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:46,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:46,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:47,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:47,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:47,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:47,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:47,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:47,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:47,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:47,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:47,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:47,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:47,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:47,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:47,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:47,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:47,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:48,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:48,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:48,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:48,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:48,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:48,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:48,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:48,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:48,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:48,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:48,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:48,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:48,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:48,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:48,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:48,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:48,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:49,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:49,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:49,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:49,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:49,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:49,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:49,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:49,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:49,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:49,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:49,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:49,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:49,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:49,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:49,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:50,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:50,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:50,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:50,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:50,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:50,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:50,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:50,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:50,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:50,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:50,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:50,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:50,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:50,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:51,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:51,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:51,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:51,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:51,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:51,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:51,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:51,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:51,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:51,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:51,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:51,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:51,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:51,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:51,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:51,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:51,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:51,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:51,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:51,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:51,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:51,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:52,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:52,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:52,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:52,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:52,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:52,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:52,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:52,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:52,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:52,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:52,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:52,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:52,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:52,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:52,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:53,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:53,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:53,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:53,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:53,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:53,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:53,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:53,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:53,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:53,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:53,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:53,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:53,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:53,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:53,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:53,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:53,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:53,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:53,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:53,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:54,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:54,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:54,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:54,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:54,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:54,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:54,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:54,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:54,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:54,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:55,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:55,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:55,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:55,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:55,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:55,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:55,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:55,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:55,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:55,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:55,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:55,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:55,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:55,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:56,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:56,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:56,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:56,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:56,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:56,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:56,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:56,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:56,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:56,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:57,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:57,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:57,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:57,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:57,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:57,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:57,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:57,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:57,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:57,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:57,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:57,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:57,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:57,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:57,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:58,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:58,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:58,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:58,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:58,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:58,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:58,455 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:58,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:58,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:58,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:58,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:58,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:58,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:58,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:58,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:58,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:59,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:59,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:59,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:59,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:59,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:59,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:59,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:59,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:59,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:59,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:59,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:59,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:26:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:26:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:26:59,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:59,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:26:59,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:00,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:00,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:00,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:00,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:00,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:00,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:00,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:00,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:00,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:00,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:00,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:00,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:00,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:01,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:01,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:01,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:01,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:01,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:01,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:01,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:01,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:01,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:01,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:01,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:01,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:01,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:01,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:01,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:01,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:01,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:01,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:01,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:01,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:02,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:02,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:02,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:02,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:02,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:02,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:02,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:02,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:02,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:02,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:02,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:02,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:02,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:02,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:02,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:03,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:03,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:03,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:03,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:03,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:03,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:03,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:03,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:03,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:03,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:03,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:03,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:03,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:03,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:03,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:03,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:04,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:04,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:04,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:04,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:04,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,720 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:04,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:04,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:04,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:04,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:05,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:05,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:05,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:05,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:05,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:05,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:05,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:05,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:05,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:05,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:05,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:05,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:05,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:06,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:06,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:06,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:06,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:06,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,718 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:06,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:06,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:06,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:06,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:06,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:07,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:07,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:07,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:07,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:07,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:07,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:07,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:07,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:07,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:07,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:07,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:07,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:07,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:07,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:07,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:07,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:07,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:07,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:07,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:07,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:07,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:07,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:07,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:07,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:08,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:08,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:08,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:08,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:08,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:08,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:08,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:08,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:08,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:08,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:08,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:08,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:08,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:08,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:09,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:09,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:09,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:09,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:09,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:09,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:09,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:09,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:09,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:09,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:09,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:09,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:09,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:09,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:09,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:09,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:09,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:09,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:09,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:09,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:09,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:09,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:09,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:09,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:09,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:09,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:09,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:09,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:09,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:09,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:09,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:10,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:10,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:10,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:10,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:10,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:10,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:10,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:10,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:10,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:10,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:10,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:10,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:10,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:10,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:10,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:10,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:10,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:10,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:10,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:10,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:10,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:11,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:11,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:11,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:11,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:11,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:11,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:11,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:11,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:11,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:12,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:12,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:12,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:12,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:12,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:12,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:12,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:12,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:12,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:12,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:12,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:12,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:12,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:12,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:12,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:12,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:13,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:13,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:13,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:13,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:13,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:13,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:13,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:13,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:13,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:13,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:13,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:13,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:13,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:13,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:13,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:13,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:13,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:13,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:13,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:13,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:13,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:13,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:13,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:13,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:13,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:13,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:13,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:13,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:13,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:13,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:13,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:13,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:14,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:14,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:14,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:14,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:14,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:14,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:14,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:14,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:14,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:14,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:14,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:14,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:14,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:14,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:14,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:14,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:14,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:14,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:14,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:15,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:15,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:15,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:15,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:15,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:15,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:15,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:15,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:15,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:15,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:15,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:15,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:15,627 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:15,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:15,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:15,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:15,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:15,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:16,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:16,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:16,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:16,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:16,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:16,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:16,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:16,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:16,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:16,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:16,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:16,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:16,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:16,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:16,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:16,488 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:16,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:16,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:16,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:16,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:16,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:16,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:16,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:16,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:16,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:16,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:16,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:16,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:16,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:16,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:16,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:17,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:17,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:17,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:17,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:17,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:17,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:17,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:17,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:17,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:17,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:17,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:17,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:17,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:17,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:17,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:18,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:18,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:18,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:18,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:18,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:18,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:18,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:18,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:18,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:18,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:18,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:18,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:18,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:18,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:18,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:18,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:19,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:19,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:19,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:19,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:19,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:19,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:19,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:19,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:19,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:19,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:19,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:19,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:19,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:19,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:19,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:20,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:20,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:20,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:20,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:20,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:20,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:20,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:20,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:20,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:20,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:20,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:20,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:20,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:20,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:20,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:20,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:20,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:20,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:20,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:20,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:20,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:20,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:20,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:20,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:20,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:20,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:20,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:20,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:20,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:20,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:21,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:21,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:21,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:21,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:21,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:21,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:21,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:21,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:21,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:21,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:21,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:21,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:21,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:21,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:21,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:22,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:22,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:22,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:22,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:22,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:22,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:22,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:22,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:22,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:22,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:22,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:22,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:22,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:22,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:22,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:23,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:23,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:23,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:23,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:23,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:23,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:23,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:23,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:23,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:23,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:23,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:23,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:23,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:23,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:23,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:23,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:23,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:24,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:24,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:24,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:24,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:24,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:24,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:24,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:24,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:24,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:24,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:24,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:24,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:24,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:24,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:24,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:24,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:25,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:25,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:25,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:25,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:25,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:25,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:25,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:25,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:25,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:25,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:25,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:25,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:25,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:25,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:25,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:25,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:25,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:25,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:25,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:25,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:25,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:25,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:25,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:25,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:26,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:26,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:26,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:26,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:26,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:26,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:26,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:26,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:26,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:26,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:26,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:26,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:26,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:26,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:27,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:27,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:27,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:27,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:27,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:27,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:27,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:27,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:27,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:27,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:27,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:27,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:27,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:27,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:27,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:28,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:28,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:28,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:28,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:28,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:28,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:28,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:28,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:28,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:28,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:28,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:28,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:28,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:28,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:28,984 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:28,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:29,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:29,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:29,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:29,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:29,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:29,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:29,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:29,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:29,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:29,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:29,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:29,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:29,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:29,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:29,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:29,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:29,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:29,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:29,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:29,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:29,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:29,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:29,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:29,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:29,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:29,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:29,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:30,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:30,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:30,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:30,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:30,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:30,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:30,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:30,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:30,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:30,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:30,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:30,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:30,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:30,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:30,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:31,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:31,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:31,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:31,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:31,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:31,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:31,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:31,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:31,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:31,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:31,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:31,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:31,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:31,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:31,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:31,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:31,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:32,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:32,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:32,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:32,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:32,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:32,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:32,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:32,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:32,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:32,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:32,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:32,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:32,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:32,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:32,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:32,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:32,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:32,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:32,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:32,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:32,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:32,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:33,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:33,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:33,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:33,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:33,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:33,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:33,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:33,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:33,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:33,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:33,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:33,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:33,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:33,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:33,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:33,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:33,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:33,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:33,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:33,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:33,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:33,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:33,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:34,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:34,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:34,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:34,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:34,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:34,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:34,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:34,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:34,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:34,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:34,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:34,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:34,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:34,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:34,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:34,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:35,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:35,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:35,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:35,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:35,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:35,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:35,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:35,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:35,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:35,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:35,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:35,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:35,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:35,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:35,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:35,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:35,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:35,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:35,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:35,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:35,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:36,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:36,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:36,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:36,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:36,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:36,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:36,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:36,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:36,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:36,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:36,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:36,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:36,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:36,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:36,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:37,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:37,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:37,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:37,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:37,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:37,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:37,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:37,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:37,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:37,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:37,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:37,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:37,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:37,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:37,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:37,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:38,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:38,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:38,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:38,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:38,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:38,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:38,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:38,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:38,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:38,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:38,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:38,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:38,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:38,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:38,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:39,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:39,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:39,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:39,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:39,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:39,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:39,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:39,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:39,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:39,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:39,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:39,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:39,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:39,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:39,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:39,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:39,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:39,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:39,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:39,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:39,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:39,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:39,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:39,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:39,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:39,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:39,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:40,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:40,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:40,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:40,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:40,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:40,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:40,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:40,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:40,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:40,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:40,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:40,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:40,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:40,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:40,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:40,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:40,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:40,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:40,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:41,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:41,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:41,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:41,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:41,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:41,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:41,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:41,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:41,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:41,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:41,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:41,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:41,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:41,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:41,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:41,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:41,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:41,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:41,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:41,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:41,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:41,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:41,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:41,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:42,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:42,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:42,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:42,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:42,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:42,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:42,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:42,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:42,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:42,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:42,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:42,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:42,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:42,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:42,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:42,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:43,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:43,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:43,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:43,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:43,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:43,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:43,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:43,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:43,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:43,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:43,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:43,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:43,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:43,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:43,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:43,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:43,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:43,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:43,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:43,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:43,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:43,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:43,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:43,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:44,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:44,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:44,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:44,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:44,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:44,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:44,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:44,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:44,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:44,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:44,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:44,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:44,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:44,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:44,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:44,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:44,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:44,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:44,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:44,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:45,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:45,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:45,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:45,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:45,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:45,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:45,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:45,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:45,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:45,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:45,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:45,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:45,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:45,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:45,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:45,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:45,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:45,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:45,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:45,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:46,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:46,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:46,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:46,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:46,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:46,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:46,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:46,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:46,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:46,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:46,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:46,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:46,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:46,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:46,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:46,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:47,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:47,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:47,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:47,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:47,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:47,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:47,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:47,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:47,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:47,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:47,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:47,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:47,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:47,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:47,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:47,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:47,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:47,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:47,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:47,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:47,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:47,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:47,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:47,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:47,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:47,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:48,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:48,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:48,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:48,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:48,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:48,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:48,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:48,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:48,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:48,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:48,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:48,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:48,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:48,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:48,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:48,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:49,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:49,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:49,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:49,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:49,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:49,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:49,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:49,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:49,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:49,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:49,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:49,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:49,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:49,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:49,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:49,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:49,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:49,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:49,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:49,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:50,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:50,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:50,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:50,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:50,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:50,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:50,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:50,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:50,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:50,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:50,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:50,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:50,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:50,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:50,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:50,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:50,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:50,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:50,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:50,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:50,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:51,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:51,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:51,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:51,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:51,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:51,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:51,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:51,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:51,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:51,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:51,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:51,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:51,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:51,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:51,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:51,704 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:51,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:51,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:51,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:51,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:51,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:51,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:51,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:51,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:52,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:52,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:52,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:52,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:52,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:52,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:52,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:52,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:52,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:52,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:52,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:52,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:52,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:52,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:52,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:52,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:52,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:52,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:52,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:52,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:52,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:53,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:53,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:53,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:53,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:53,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:53,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:53,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:53,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:53,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:53,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:53,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:53,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:53,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:53,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:53,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:53,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:53,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:53,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:53,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:53,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:54,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:54,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:54,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:54,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:54,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:54,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:54,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:54,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:54,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:54,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:54,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:54,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:54,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:54,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:54,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:54,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:55,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:55,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:55,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:55,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:55,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:55,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:55,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:55,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:55,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:55,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:55,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:55,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:55,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:55,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:55,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:55,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:55,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:55,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:55,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:55,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:55,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:55,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:55,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:55,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:55,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:55,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:55,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:56,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:56,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:56,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:56,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:56,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:56,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:56,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:56,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:56,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:56,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:56,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:56,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:56,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:56,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:56,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:56,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:56,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:56,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:56,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:56,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:56,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:56,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:57,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:57,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:57,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:57,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:57,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:57,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:57,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:57,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:57,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:57,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:57,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:57,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:57,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:57,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:57,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:57,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:57,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:57,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:57,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:57,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:57,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:57,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:58,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:58,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:58,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:58,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:58,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:58,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:58,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:58,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:58,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:58,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:58,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:58,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:58,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:58,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:58,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:58,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:58,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:58,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:58,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:58,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:58,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:58,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:58,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:58,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:59,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:59,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:59,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:59,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:59,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:59,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:59,308 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:59,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:59,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:59,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:59,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:59,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:59,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:59,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:59,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:59,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:59,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:59,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:59,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:59,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:59,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:59,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:59,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:27:59,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:27:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:27:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:27:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:59,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:59,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:00,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:00,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:00,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:00,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:00,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:00,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:00,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:00,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:00,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:00,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:00,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:00,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:00,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:00,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:00,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:00,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:00,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:01,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:01,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:01,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:01,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:01,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:01,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:01,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:01,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:01,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:01,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:01,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:01,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:01,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:01,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:01,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:01,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:01,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:01,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:01,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:01,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:01,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:01,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:01,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:01,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:01,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:01,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:01,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:01,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:01,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:01,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:02,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:02,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:02,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:02,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:02,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:02,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:02,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:02,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:02,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:02,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:02,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:02,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:02,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:02,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:02,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:02,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:02,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:02,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:02,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:02,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:03,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:03,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:03,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:03,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:03,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:03,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:03,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:03,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:03,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:03,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:03,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:03,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:03,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:03,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:03,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:03,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:03,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:03,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:03,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:03,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:03,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:03,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:03,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:03,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:03,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:03,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:03,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:03,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:03,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:03,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:04,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:04,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:04,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:04,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:04,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:04,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:04,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:04,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:04,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:04,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:04,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:04,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:04,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:04,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:04,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:05,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:05,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:05,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:05,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:05,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:05,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:05,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:05,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:05,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:05,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:05,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:05,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:05,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:05,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:05,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:05,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:05,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:05,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:05,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:05,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:06,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:06,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:06,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:06,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:06,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:06,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:06,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:06,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:06,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:06,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:06,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:06,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:06,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:06,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:06,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:06,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:06,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:06,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:06,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:06,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:06,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:06,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:06,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:06,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:06,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:06,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:06,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:06,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:06,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:07,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:07,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:07,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:07,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:07,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:07,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:07,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:07,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:07,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:07,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:07,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:07,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:07,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:07,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:07,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:07,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:07,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:07,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:07,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:07,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:07,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:07,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:08,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:08,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:08,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:08,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:08,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:08,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:08,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:08,425 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:08,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:08,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:08,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:08,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:08,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:08,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:08,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:08,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:08,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:08,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:08,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:08,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:08,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:09,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:09,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:09,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:09,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:09,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:09,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:09,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:09,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:09,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:09,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:09,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:09,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:09,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:09,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:09,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:09,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:09,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:09,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:09,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:09,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:09,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:09,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:09,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:09,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:09,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:09,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:10,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:10,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:10,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:10,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:10,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:10,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:10,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:10,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:10,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:10,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:10,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:10,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:10,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:10,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:10,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:10,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:10,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:10,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:10,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:10,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:10,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:10,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:10,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:10,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:10,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:10,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:10,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:10,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:10,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:10,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:10,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:11,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:11,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:11,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:11,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:11,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:11,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:11,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:11,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:11,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:11,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:11,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:11,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:11,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:11,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:11,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:11,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:11,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:11,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:11,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:11,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:11,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:11,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:11,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:11,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:12,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:12,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:12,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:12,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:12,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:12,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:12,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:12,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:12,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:12,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:12,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:12,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:12,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:12,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:12,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:13,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:13,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:13,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:13,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:13,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:13,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:13,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:13,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:13,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:13,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:13,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:13,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:13,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:13,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:13,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:13,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:13,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:13,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:13,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:14,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:14,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:14,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:14,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:14,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:14,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:14,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:14,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:14,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:14,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:14,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:14,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:14,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:14,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:14,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:14,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:14,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:14,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:14,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:14,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:14,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:14,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:14,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:14,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:14,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:14,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:14,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:15,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:15,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:15,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:15,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:15,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:15,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:15,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:15,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:15,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:15,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:15,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:15,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:15,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:15,983 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:15,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:16,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:16,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:16,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:16,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:16,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:16,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:16,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:16,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:16,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:16,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:16,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:16,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:16,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:16,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:16,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:16,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:16,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:16,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:16,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:16,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:16,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:16,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:16,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:16,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:16,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:16,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:17,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:17,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:17,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:17,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:17,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:17,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:17,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:17,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:17,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:17,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:17,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:17,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:17,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:17,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:17,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:17,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:17,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:17,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:17,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:17,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:17,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:17,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:17,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:17,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:17,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:17,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:17,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:17,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:17,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:17,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:17,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:18,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:18,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:18,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:18,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:18,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:18,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:18,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:18,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:18,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:18,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:18,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:18,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:18,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:18,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:18,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:18,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:18,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:18,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:18,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:18,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:18,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:18,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:18,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:18,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:18,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:18,854 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:18,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:18,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:18,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:18,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:18,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:19,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:19,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:19,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:19,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:19,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:19,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:19,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:19,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:19,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:19,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:19,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:19,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:19,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:19,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:20,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:20,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:20,069 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:20,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:20,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:20,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:20,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:20,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:20,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:20,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:20,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:20,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:20,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:20,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:20,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:20,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:20,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:20,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:20,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:20,839 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:20,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:20,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:20,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:20,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:20,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:20,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:21,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:21,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:21,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:21,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:21,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:21,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:21,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:21,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:21,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:21,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:21,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:21,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:21,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:22,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:22,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:22,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:22,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:22,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:22,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:22,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:22,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:22,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:22,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:22,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:22,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:22,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:22,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:22,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:23,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:23,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:23,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:23,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:23,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:23,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:23,431 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:23,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:23,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:23,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:23,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:23,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:23,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:23,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:23,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:24,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:24,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:24,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:24,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:24,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:24,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:24,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:24,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:24,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:24,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:24,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:24,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:24,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:24,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:24,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:25,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:25,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:25,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:25,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:25,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:25,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:25,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:25,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:25,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:25,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:25,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:25,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:25,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:25,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:25,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:25,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:25,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:25,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:25,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:25,718 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:25,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:25,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:25,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:25,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:25,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:25,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:25,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:25,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:26,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:26,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:26,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:26,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:26,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:26,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:26,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:26,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:26,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:26,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:26,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:26,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:26,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:26,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:26,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:26,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:26,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:26,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:26,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:26,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:27,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:27,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:27,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:27,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:27,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:27,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:27,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:27,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:27,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:27,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:27,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:27,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:27,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:27,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:27,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:27,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:27,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:27,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:27,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:27,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:28,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:28,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:28,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:28,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:28,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:28,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:28,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:28,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:28,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:28,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:28,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:28,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:28,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:28,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:28,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:28,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:28,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:28,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:28,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:28,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:28,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:28,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:28,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:28,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:28,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:28,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:28,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:28,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:28,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:28,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:29,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:29,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:29,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:29,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:29,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:29,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:29,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:29,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:29,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:29,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:29,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:29,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:29,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:29,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:29,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:29,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:29,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:29,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:29,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:29,732 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:29,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:29,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:29,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:29,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:29,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:29,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:29,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:30,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:30,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:30,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:30,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:30,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:30,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:30,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:30,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:30,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:30,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:30,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:30,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:30,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:30,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:31,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:31,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:31,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:31,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:31,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:31,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:31,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:31,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:31,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:31,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:31,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:31,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:31,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:31,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:31,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:31,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:31,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:31,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:31,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:31,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:31,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:31,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:31,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:31,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:31,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:31,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:32,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:32,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:32,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:32,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:32,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:32,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:32,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:32,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:32,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:32,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:32,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:32,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:32,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:32,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:32,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:32,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:32,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:32,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:32,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:32,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:32,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:32,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:32,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:32,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:32,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:32,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:32,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:32,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:33,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:33,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:33,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:33,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:33,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:33,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:33,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:33,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:33,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:33,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:33,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:33,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:33,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:33,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:33,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:33,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:33,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:33,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:33,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:33,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:33,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:33,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:33,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:33,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:33,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:34,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:34,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:34,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:34,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:34,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:34,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:34,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:34,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:34,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:34,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:34,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:34,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:34,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:34,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:34,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:34,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:34,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:34,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:34,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:34,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:34,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:34,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:34,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:34,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:34,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:34,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:34,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:34,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:34,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:35,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:35,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:35,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:35,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:35,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:35,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:35,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:35,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:35,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:35,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:35,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:35,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:35,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:35,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:35,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:35,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:35,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:35,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:35,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:35,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:36,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:36,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:36,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:36,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:36,057 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:36,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:36,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:36,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:36,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:36,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:36,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:36,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:36,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:36,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:36,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:36,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:36,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:36,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:36,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:36,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:36,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:36,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:36,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:36,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:36,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:36,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:36,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:36,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:36,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:36,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:36,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:36,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:36,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:36,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:36,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:37,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:37,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:37,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:37,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:37,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:37,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:37,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:37,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:37,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:37,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:37,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:37,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:37,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:37,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:37,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:37,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:37,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:37,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:37,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:37,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:37,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:37,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:37,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:37,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:38,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:38,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:38,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:38,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:38,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:38,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:38,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:38,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:38,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:38,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:38,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:38,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:38,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:38,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:38,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:38,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:38,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:38,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:38,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:38,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:38,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:38,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:39,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:28:39,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:28:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-13 23:28:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-13 23:28:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:28:39,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:39,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat