./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ --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 757749d35671eda7818ce7a9276fa400eff8da4461713202236766545f2a8763 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:17:37,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:17:37,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:17:37,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:17:37,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:17:37,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:17:37,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:17:37,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:17:37,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:17:37,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:17:37,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:17:37,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:17:37,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:17:37,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:17:37,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:17:37,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:17:37,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:17:37,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:17:37,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:17:37,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:17:37,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:17:37,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:17:37,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:17:37,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:17:37,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:17:37,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:17:37,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:17:37,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:17:37,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:17:37,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:17:37,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:17:37,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:17:37,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:17:37,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:17:37,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:17:37,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:17:37,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:17:37,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:17:37,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:17:37,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:17:37,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:17:37,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:17:37,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:17:37,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:17:37,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:17:37,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:17:37,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:17:37,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:17:37,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:17:37,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:17:37,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:17:37,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:17:37,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:17:37,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:17:37,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:17:37,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:17:37,628 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:17:37,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:17:37,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:17:37,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:17:37,629 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:17:37,629 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:17:37,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:17:37,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:37,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:17:37,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:17:37,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:17:37,631 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:17:37,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:17:37,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:17:37,631 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_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 757749d35671eda7818ce7a9276fa400eff8da4461713202236766545f2a8763 [2021-11-23 01:17:37,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:17:37,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:17:37,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:17:37,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:17:37,977 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:17:37,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound5.c [2021-11-23 01:17:38,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/data/e5eb840e7/1132440fec4d4c63a1c5171c5ddda1c5/FLAGad361404d [2021-11-23 01:17:38,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:17:38,590 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound5.c [2021-11-23 01:17:38,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/data/e5eb840e7/1132440fec4d4c63a1c5171c5ddda1c5/FLAGad361404d [2021-11-23 01:17:38,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/data/e5eb840e7/1132440fec4d4c63a1c5171c5ddda1c5 [2021-11-23 01:17:38,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:17:38,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:17:38,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:38,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:17:38,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:17:38,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:38" (1/1) ... [2021-11-23 01:17:38,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35433f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:38, skipping insertion in model container [2021-11-23 01:17:38,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:38" (1/1) ... [2021-11-23 01:17:38,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:17:38,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:17:39,149 WARN L230 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_a8973c72-42d7-4bcd-b07f-f1685693d38d/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound5.c[546,559] [2021-11-23 01:17:39,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:39,172 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:17:39,185 WARN L230 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_a8973c72-42d7-4bcd-b07f-f1685693d38d/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound5.c[546,559] [2021-11-23 01:17:39,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:39,204 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:17:39,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39 WrapperNode [2021-11-23 01:17:39,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:39,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:39,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:17:39,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:17:39,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,240 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-23 01:17:39,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:39,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:17:39,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:17:39,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:17:39,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:17:39,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:17:39,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:17:39,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:17:39,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:39,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:17:39,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:17:39,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8973c72-42d7-4bcd-b07f-f1685693d38d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:17:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:17:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:17:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:17:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:17:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:17:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:17:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:17:39,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:17:39,401 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:17:39,403 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:39,503 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:39,522 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:39,523 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:17:39,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:39 BoogieIcfgContainer [2021-11-23 01:17:39,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:39,526 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:17:39,526 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:17:39,537 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:17:39,537 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:39" (1/1) ... [2021-11-23 01:17:39,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:39,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-11-23 01:17:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-23 01:17:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:39,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:39,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:39,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 01:17:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 01:17:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:39,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:39,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:39,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:17:39,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2021-11-23 01:17:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-23 01:17:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:40,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:40,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:40,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:17:40,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 36 transitions. [2021-11-23 01:17:40,828 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-23 01:17:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:40,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:40,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:40,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:40,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:41,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:41,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:41,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:41,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:42,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:42,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:42,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:42,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:42,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:42,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:42,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:42,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:42,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:42,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:42,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:42,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:43,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:43,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:43,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:43,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:43,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:43,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:43,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:43,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:43,604 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:43,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:43,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:43,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:43,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:43,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:44,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:44,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:44,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:44,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:44,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:44,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:44,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:44,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:44,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:44,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:44,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:45,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:45,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:45,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:45,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:45,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:45,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:45,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:45,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:45,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:45,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:45,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:45,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:45,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:45,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:45,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:46,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:46,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:46,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:46,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:46,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:46,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:46,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:46,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:46,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:46,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:46,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:46,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:46,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:46,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:47,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:47,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:47,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:47,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:47,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:47,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:47,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:47,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:47,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:47,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:47,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:47,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:47,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:47,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:48,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:48,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:48,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:48,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:48,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:48,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:48,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:48,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:48,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:48,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:48,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:48,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:48,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:48,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:49,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:49,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:49,202 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:49,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:49,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:49,366 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:49,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:49,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:49,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:49,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:49,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:49,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:49,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:49,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:49,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:49,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:49,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:50,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:50,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:50,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:50,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:50,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:50,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:50,569 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:50,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:50,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:50,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:50,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:50,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:50,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:50,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:51,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:51,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:51,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:51,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:51,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:51,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:51,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:51,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:51,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:51,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:52,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:52,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:52,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:52,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:52,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:52,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:52,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:52,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:52,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:52,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:52,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:52,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:52,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:52,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:52,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:52,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:52,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:52,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:52,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:52,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:52,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:52,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:53,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:53,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:54,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:54,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:54,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:54,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:54,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:54,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:54,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:54,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:54,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:54,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:54,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:54,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:54,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:54,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:54,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:54,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:54,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:54,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:54,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:54,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:54,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:54,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:54,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:55,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:55,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:56,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:56,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:56,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:57,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:57,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:57,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:57,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:57,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:57,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:57,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:57,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:58,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:58,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:58,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:17:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:17:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:59,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:00,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:00,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:00,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:00,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:00,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:00,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:00,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:00,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:00,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:00,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:00,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:00,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:00,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:00,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:00,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:00,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:01,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:01,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:02,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:02,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,729 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:03,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:03,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,218 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,442 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:04,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:04,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:05,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:05,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:05,249 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:05,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:05,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:05,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:05,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:05,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:05,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:05,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:05,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:05,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:05,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:05,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:05,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:06,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:06,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:06,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:06,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:06,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:06,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:06,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:06,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:06,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:07,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:08,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:08,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:08,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:08,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:08,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:08,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:08,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:08,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:08,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:08,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:09,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:09,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:09,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:09,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:09,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:09,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:09,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:10,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:10,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:10,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:10,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:10,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:10,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:10,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:10,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:10,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:10,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:10,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:10,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:10,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:11,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:11,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:11,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:11,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:11,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:11,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:11,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:11,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:11,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:11,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:11,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:12,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:13,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:13,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:13,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:13,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:13,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:13,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:13,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:13,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:13,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:14,217 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:15,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:15,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:15,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:15,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:15,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:15,343 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:15,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:15,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:15,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:15,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:15,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:15,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:15,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:15,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:15,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:15,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:15,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:15,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:16,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:16,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:16,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:16,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:16,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:16,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:16,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:16,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:16,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:17,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:17,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:17,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:17,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:17,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:17,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:18,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:19,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:19,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:19,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:19,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:19,597 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:19,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:19,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:19,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:20,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:21,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:21,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:21,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:21,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:21,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:21,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:21,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:21,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:21,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:22,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:22,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:22,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:22,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:22,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:22,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:22,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:22,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:22,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:22,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:22,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:22,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:22,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:22,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:22,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:22,887 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:22,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:22,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:22,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:23,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:23,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:23,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:23,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:23,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:23,691 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:23,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:23,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:23,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:23,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:24,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:24,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:24,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:24,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,049 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:26,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:26,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:26,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:26,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:26,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:26,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:26,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:26,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:26,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:26,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:26,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:26,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:26,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:26,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:26,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:26,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:26,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:27,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:27,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:27,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:27,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:27,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:27,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:28,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:28,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:28,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:28,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:28,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:28,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:28,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:28,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:28,933 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:28,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:29,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:29,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:29,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:29,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:29,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:29,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:29,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:29,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:29,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:29,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:29,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:29,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:29,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:29,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:30,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:30,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:30,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:30,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:30,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:30,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:30,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:30,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:31,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:31,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:31,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:31,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:31,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:31,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:31,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:31,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:31,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:32,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:32,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:32,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:32,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:32,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:32,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:32,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:32,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:32,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:33,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:33,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:33,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:33,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:33,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:33,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:33,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:33,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:33,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:33,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:33,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:33,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:33,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:33,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:33,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:33,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:33,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:33,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:33,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:33,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:33,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:33,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:33,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:33,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:33,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:34,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:34,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:34,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:34,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:34,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:34,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:34,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:34,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:34,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:34,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:34,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:35,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:35,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:35,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:35,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:35,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:35,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:35,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:35,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:35,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:35,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:35,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:35,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:35,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:35,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:35,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:35,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:35,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:35,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:36,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:36,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:36,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:36,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:36,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:36,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:36,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:36,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:36,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:36,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:36,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:36,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:36,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:36,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:37,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:37,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:37,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:37,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:37,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:37,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:37,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:37,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:37,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:37,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:37,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:37,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:37,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:38,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:38,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:38,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:38,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:38,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:38,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:38,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:38,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:38,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:38,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:38,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:38,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:38,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:39,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:39,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:39,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:39,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:39,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:39,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:39,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:40,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:40,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:40,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:40,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:40,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:40,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:40,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:40,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:40,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:40,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:41,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:41,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:41,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:41,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:41,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:41,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:41,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:41,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:41,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:41,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:42,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:42,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:42,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:42,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:42,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:42,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:42,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:42,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:42,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:42,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:42,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:42,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:42,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:42,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:42,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:42,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:42,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:43,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:43,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:43,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:43,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:43,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:43,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:43,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:44,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:44,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:44,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:44,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:44,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:44,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:44,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:44,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:44,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:44,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:44,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:44,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:46,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:46,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:46,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:46,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:46,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:46,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:46,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:46,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:46,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:46,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:46,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:46,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:46,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:46,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:46,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:46,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:47,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:47,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:47,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:47,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:47,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:47,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:47,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:47,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:47,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:47,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:48,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:48,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:48,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:48,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:48,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:48,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:48,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:48,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:48,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:48,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:48,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:48,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:48,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:48,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:49,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:49,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:49,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:49,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:49,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:49,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:49,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:49,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:49,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:49,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:49,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:49,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:49,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:49,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:49,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:49,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:50,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:50,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:50,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:50,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:50,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:50,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:50,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:50,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:50,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:50,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:50,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:50,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:50,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:51,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:51,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:51,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:51,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:51,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:51,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:51,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:51,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:51,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:51,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:51,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:51,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:51,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:51,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:51,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:52,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:52,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:52,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:52,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:52,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:52,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:52,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:52,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:52,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:52,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:52,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:52,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:52,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:52,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:52,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:52,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:52,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:52,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:52,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:53,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:53,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:53,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:53,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:53,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:53,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:53,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:53,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:53,687 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:53,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:53,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:53,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:53,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:54,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:54,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:54,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:54,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:54,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:54,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:54,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:54,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:54,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:54,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:54,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:55,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:55,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:55,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:55,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:55,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:55,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:55,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:55,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:55,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:55,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:55,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:55,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:55,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:55,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:55,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:55,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:55,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:55,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:55,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:55,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:55,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:55,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:55,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:55,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:55,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:55,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:55,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:55,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:55,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:55,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:55,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:56,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:56,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:56,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:56,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:56,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:56,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:56,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:56,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:56,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:56,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:56,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:56,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:56,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:56,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:56,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:57,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:57,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:57,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:57,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:57,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:57,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:57,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:57,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:57,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:57,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:57,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:57,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:57,640 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:57,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:57,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:57,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:57,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:57,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:57,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:57,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:57,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:57,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:57,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:58,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:58,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:58,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:58,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:58,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:58,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:58,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:58,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:58,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:58,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:58,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:58,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:58,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:59,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:59,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:59,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:59,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:59,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:59,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:59,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:59,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:59,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:18:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:18:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:59,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:59,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:00,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:00,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:00,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:00,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:00,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:00,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:00,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:00,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:00,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:00,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:00,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:00,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:00,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:00,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:00,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:00,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:01,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:01,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:01,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:01,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:01,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:01,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:01,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:01,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:01,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:01,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:01,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:01,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:01,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:01,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:01,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:01,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:01,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:01,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:01,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:01,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:01,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:01,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:01,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:01,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:01,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:01,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:02,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:02,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:02,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:02,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:02,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:02,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:02,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:02,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:02,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:02,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:02,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:02,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:02,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:02,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:02,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:02,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:02,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:02,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:02,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:02,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:03,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:03,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:03,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:03,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:03,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:03,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:03,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:03,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:03,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:03,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:03,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:03,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:03,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:03,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:03,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:03,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:04,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:04,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:04,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:04,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:04,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:04,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:04,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:04,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:04,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:04,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:04,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:04,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:04,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:05,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:05,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:05,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:05,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:05,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:05,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:05,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:05,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:05,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:05,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:05,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:05,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:06,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:06,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:06,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:06,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:06,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:06,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:06,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:06,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:06,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:06,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:06,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:07,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:07,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:07,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:07,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:07,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:07,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:07,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:07,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:07,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:08,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:08,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:08,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:08,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:08,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:08,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:08,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:08,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:08,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:08,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:08,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:08,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:08,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:08,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:08,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:08,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:08,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:08,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:08,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:08,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:08,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:08,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:08,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:09,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:09,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:09,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:09,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:09,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:09,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:09,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:09,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:09,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:09,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:09,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:09,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:09,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:09,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:09,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:10,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:10,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:10,202 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:10,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:10,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:10,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:10,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:10,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:10,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:10,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:10,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:10,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:11,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:11,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:11,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:11,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:11,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:11,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:11,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:11,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:11,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:11,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:11,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:12,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:12,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:12,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:12,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:12,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:12,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:12,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:12,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:12,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:12,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:12,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:12,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:13,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:13,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:13,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:13,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:13,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:13,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:13,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:13,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:13,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:13,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:13,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:13,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:13,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:13,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:13,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:14,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:14,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:14,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:14,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:14,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:14,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:14,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:14,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:14,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:14,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:14,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:14,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:14,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:14,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:14,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:14,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:14,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:14,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:15,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:15,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:15,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:15,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:15,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:15,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:15,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:15,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:15,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:16,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:16,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:16,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:16,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:16,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:16,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:16,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:16,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:16,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:16,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:16,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:16,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:16,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:16,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:16,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:16,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:16,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:17,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:17,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:17,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:17,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:17,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:17,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:17,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:17,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:17,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:17,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:17,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:17,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:18,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:18,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:18,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:18,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:18,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:18,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:18,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:18,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:18,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:18,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:18,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:18,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:18,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:19,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:19,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:19,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:19,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:19,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:19,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:19,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:19,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:19,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:19,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:19,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:20,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:20,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:20,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:20,266 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:20,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:20,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:20,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:20,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:20,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:20,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:20,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:20,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:20,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:21,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:21,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:21,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:21,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:21,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:21,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:21,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:21,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:21,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:21,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:21,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:21,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:21,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:21,841 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:21,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:21,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:21,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:21,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:22,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:22,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:22,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:22,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:22,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:22,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:22,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:22,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:22,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:22,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:22,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:22,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:22,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:22,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:22,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:22,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:22,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:22,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:22,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:22,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:23,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:23,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:23,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:23,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:23,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:23,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:23,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:23,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:23,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:23,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:23,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:23,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:23,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:23,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:23,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:23,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:23,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:24,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:24,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:24,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:24,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:24,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:24,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:24,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:24,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:24,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:24,874 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:24,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:24,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:25,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:25,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:25,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:25,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:25,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:25,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:25,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:25,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:25,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:25,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:25,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:25,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:25,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:25,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:25,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:25,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:25,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:25,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:25,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:25,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:25,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:25,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:26,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:26,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:26,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:26,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:26,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:26,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:26,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:26,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:26,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:26,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:26,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:26,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:26,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:26,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:26,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:26,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:26,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:27,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:27,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:27,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:27,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:27,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:27,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:27,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:27,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:27,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:27,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:27,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:27,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:27,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:27,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:27,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:27,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:27,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:28,132 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:28,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:28,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:28,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:28,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:28,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:28,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:28,587 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:28,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:28,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:28,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:28,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:28,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:28,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:28,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:28,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:28,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:28,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:28,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:29,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:29,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:29,366 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:29,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:29,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:29,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:29,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:29,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:29,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:29,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:29,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:30,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:30,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:30,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:30,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:30,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:30,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:30,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:30,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:30,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:30,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:30,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:30,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:31,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:31,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:31,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:31,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:31,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:31,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:31,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:31,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:31,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:31,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:31,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:31,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:31,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:31,614 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:31,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:31,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:31,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:31,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:31,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:31,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:31,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:31,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:31,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:32,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:32,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:32,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:32,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:32,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:32,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:32,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:32,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:32,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:32,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:32,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:32,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:32,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:32,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:32,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:33,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:33,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:33,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:33,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:33,283 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:33,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:33,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:33,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:33,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:33,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:33,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:33,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:33,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:33,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:33,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:33,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:33,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:33,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:33,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:33,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:33,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:33,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:34,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:34,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:34,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:34,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:34,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:34,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:34,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:34,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:34,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:34,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:34,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:34,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:34,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:34,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:35,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:35,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:35,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:35,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:35,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:35,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:35,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:35,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:35,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:36,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:36,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:36,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:36,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:36,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:36,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:36,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:36,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:36,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:36,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:36,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:36,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:37,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:37,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:37,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:37,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:37,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:37,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:37,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:37,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:37,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:37,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:37,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:37,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:37,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:37,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:37,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:37,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:37,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:37,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:37,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:38,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:38,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:38,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:38,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:38,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:38,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:38,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:38,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:38,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:38,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:38,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:38,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:38,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:38,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:38,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:38,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:38,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:39,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:39,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:39,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:39,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:39,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:39,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:39,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:39,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:39,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:39,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:39,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:39,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:39,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:39,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:39,965 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:39,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:39,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:39,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:40,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:40,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:40,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:40,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:40,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:40,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:40,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:40,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:40,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:40,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:40,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:40,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:41,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:41,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:41,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:41,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:41,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:41,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:41,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:41,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:41,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:41,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:42,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:42,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:42,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:42,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:42,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:42,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:42,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:42,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:42,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:42,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:42,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:42,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:42,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:42,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:42,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:42,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:42,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:42,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:42,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:42,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:42,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:42,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:42,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:43,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:43,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:43,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:43,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:43,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:43,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:43,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:43,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:43,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:43,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:43,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:43,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:43,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:43,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:43,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:43,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:44,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:44,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:44,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:44,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:44,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:44,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:44,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:44,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:44,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:44,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:44,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:44,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:45,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:45,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:45,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:45,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:45,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:45,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:45,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:45,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:45,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:45,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:45,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:45,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:46,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:46,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:46,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:46,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:46,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:46,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:46,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:46,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:46,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:47,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:47,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:47,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:47,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:47,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:47,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:47,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:47,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:47,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:48,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:48,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:48,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:48,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:48,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:48,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:48,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:48,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:48,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:48,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:48,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:48,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:48,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:48,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:48,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:48,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:48,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:48,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:48,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:48,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:48,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:48,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:48,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:49,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:49,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:49,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:49,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:49,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:49,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:49,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:49,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:49,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:49,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:50,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:50,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:50,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:50,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:50,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:50,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:50,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:50,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:50,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:51,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:51,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:51,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:51,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:51,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:51,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:51,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:51,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:51,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:51,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:51,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:51,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:51,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:51,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:51,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:52,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:52,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:52,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:52,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:52,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:52,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:52,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:52,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:52,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:52,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:52,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:52,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:52,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:52,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:52,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:52,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:52,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:52,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:52,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:53,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:53,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:53,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:53,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:53,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:53,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:53,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:53,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:53,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:53,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:53,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:54,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:54,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:54,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:57,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:57,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:57,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:57,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:58,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:58,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:58,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:58,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:58,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:58,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:58,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:58,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:58,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:58,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:58,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:58,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:58,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:58,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:58,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:59,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:59,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:59,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:59,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:59,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:59,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:59,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:59,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:59,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:59,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:59,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:59,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:59,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:59,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:19:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:19:59,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:59,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:59,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:59,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:19:59,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:00,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:00,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:00,067 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:00,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:00,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:00,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:00,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:00,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:00,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:00,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:00,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:00,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:00,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:00,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:00,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:00,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:00,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:00,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:00,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:00,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:01,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:01,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:01,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:01,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:01,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:01,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:01,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:01,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:01,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:01,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:01,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:01,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:01,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:02,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:02,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:02,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:02,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:02,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:02,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:02,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:02,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:02,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:02,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:02,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:02,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:02,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:02,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:02,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:02,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:02,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:02,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:02,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:02,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:02,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:03,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:03,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:03,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:03,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:03,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:03,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:03,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:20:03,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:03,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:20:03,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:20:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:03,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:03,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:03,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-23 01:23:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:05,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:05,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:05,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:05,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:05,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:05,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:05,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:05,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:05,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:05,949 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:05,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:05,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:05,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:05,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:06,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:06,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:06,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:06,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:06,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:06,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:06,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:06,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:07,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:07,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:07,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:07,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:07,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:07,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:07,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:07,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:08,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:08,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:08,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:08,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:08,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:08,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:08,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:08,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:08,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:08,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:08,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:08,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:09,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:09,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:09,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:09,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:09,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:09,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:09,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:10,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:10,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:10,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:10,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:10,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:10,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:10,435 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:10,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:10,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:10,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:10,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:10,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:10,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:10,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:10,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:11,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:11,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:11,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:11,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:11,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:11,673 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:11,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:11,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:11,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:11,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:12,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:12,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:12,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:12,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:12,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:12,541 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:12,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:12,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:12,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:12,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:12,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:12,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:12,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:12,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:13,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:13,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:13,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:13,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:13,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:13,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:13,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:13,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:14,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:14,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:14,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:14,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:14,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:14,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:14,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:14,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:14,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:14,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:14,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:15,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:15,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:15,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:15,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:15,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:15,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:15,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:15,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:15,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:15,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:15,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:16,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:16,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:16,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:16,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:16,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:16,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:16,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:16,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:17,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:17,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:17,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:17,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:17,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:17,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:17,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:17,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:17,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:17,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:17,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:17,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:18,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:18,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:18,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:18,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:18,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:18,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:18,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:18,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:19,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:19,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:19,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:19,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:19,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:19,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:19,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:19,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:19,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:20,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:20,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:20,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:20,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:20,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:20,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:20,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:20,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:20,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:20,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:20,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:20,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:20,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:20,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:21,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:21,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:21,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:21,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:21,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:21,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:21,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:21,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:22,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:22,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:22,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:22,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:22,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:22,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:22,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:22,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:22,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:22,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:22,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:22,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:23,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:23,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:23,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:23,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:23,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:23,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:23,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:23,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:23,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:23,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:23,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:24,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:24,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:24,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:24,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:24,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:24,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:24,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:24,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:25,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:25,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:25,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:25,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:25,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:25,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:25,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:25,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:25,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:25,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:25,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:25,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:26,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:26,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:26,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:26,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:26,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:26,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:26,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:26,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:26,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:26,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:27,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:27,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:27,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:27,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:27,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:27,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:27,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:27,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:27,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:27,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:27,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:27,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:28,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:28,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:28,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:28,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:28,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:28,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:29,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:29,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:29,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:29,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:29,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:29,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:29,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:29,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:30,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:30,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:30,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:30,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:30,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:30,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:30,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:30,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:30,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:31,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:31,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:31,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:31,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:31,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:31,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:31,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:31,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:31,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:31,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:32,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:32,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:32,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:32,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:32,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:32,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:32,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:32,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:33,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:33,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:33,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:33,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:33,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:33,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:33,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:33,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:33,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:33,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:34,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:34,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:34,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:34,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:34,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:34,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:34,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:34,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:35,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:35,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:35,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:35,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:35,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:35,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:35,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:35,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:35,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:35,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:35,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:35,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:36,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:36,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:36,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:36,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:36,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:36,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:36,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:36,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:36,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:37,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:37,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:37,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:37,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:37,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:37,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:37,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:37,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:37,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:37,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:38,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:38,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:38,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:38,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:38,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:38,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:38,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:39,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:39,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:39,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:39,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:39,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:39,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:40,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:40,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:40,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:40,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:40,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:40,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:40,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:40,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:41,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:41,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:41,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:41,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:41,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:41,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:41,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:41,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:42,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:42,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:42,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:42,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:42,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:42,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:42,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:42,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:43,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:43,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:43,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:43,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:44,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:44,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:44,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:45,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:45,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:45,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:45,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:46,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:46,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:52,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:52,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:52,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:52,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:53,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:53,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:53,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:53,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:53,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:53,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:53,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:53,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:53,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:54,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:54,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:54,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:54,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:55,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:55,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:55,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:55,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:55,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:55,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:56,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:56,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:56,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:56,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:57,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:57,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:57,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:57,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:57,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:57,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:57,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:58,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:58,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:58,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:58,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:58,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:58,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:58,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:58,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:58,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:59,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:59,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:59,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:59,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:59,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:59,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:59,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:59,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:59,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:23:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:23:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:59,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:59,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:59,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:59,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:00,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:00,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:00,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:00,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:00,824 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:00,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:00,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:00,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:00,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:00,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:01,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:01,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:01,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:01,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:01,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:01,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:01,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:01,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:02,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:02,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:02,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:02,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:02,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:02,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:02,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:02,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:03,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:03,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:03,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:03,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:03,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:03,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:03,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:03,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:04,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:04,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:04,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:04,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:04,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:04,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:05,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:05,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:05,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:05,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:05,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:05,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:05,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:05,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:05,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:05,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:05,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:05,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:05,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:06,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:06,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:06,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:06,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:07,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:07,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:07,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:07,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:07,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:07,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:07,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:07,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:07,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:07,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:08,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:08,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:08,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:08,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:08,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:08,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:08,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:08,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:09,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:09,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:09,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:09,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:09,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:09,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:09,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:09,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:09,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:09,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:09,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:10,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:10,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:10,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:10,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:10,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:10,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:10,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:10,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:11,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:11,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:11,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:11,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:11,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:11,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:12,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:12,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:12,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:12,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:12,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:12,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:13,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:13,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:13,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:13,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:13,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:13,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:13,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:13,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:14,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:14,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:14,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:14,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:14,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:14,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:15,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:15,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:15,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:15,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:15,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:15,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:15,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:15,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:15,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:16,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:16,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:16,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:16,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:16,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:16,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:16,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:16,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:16,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:16,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:16,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:16,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:16,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:17,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:17,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:17,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:17,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:17,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:17,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:18,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:18,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:18,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:18,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:18,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:18,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:18,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:18,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:18,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:18,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:19,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:19,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:19,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:19,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:19,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:19,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:19,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:19,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:20,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:20,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:20,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:20,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:20,776 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:20,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:20,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:20,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:20,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:21,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:21,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:21,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:21,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:21,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:21,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:21,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:21,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:21,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:22,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:22,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:22,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:22,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:22,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:22,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:22,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:22,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:22,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:23,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:23,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:23,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:23,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:23,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:23,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:23,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:23,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:24,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:24,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:24,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:24,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:24,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:24,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:24,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:24,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:25,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:25,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:25,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:25,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:25,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:25,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:25,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:25,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:26,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:26,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:26,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:26,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:26,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:26,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:26,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:26,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:27,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:27,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:27,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:27,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:27,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:28,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:28,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:28,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:28,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:28,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:29,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:29,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:29,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:29,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:30,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:30,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:30,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:30,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:30,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:30,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:30,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:30,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:31,362 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:31,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:31,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:31,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:31,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:31,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:31,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:31,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:31,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:31,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:32,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:32,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:32,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:32,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:32,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:32,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:32,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:32,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:32,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:33,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:33,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:33,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:33,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:33,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:33,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:33,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:33,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:33,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:34,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:34,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:34,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:34,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:34,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:34,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:34,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:34,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:34,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:35,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:35,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:35,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:35,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:35,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:36,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:36,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:36,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:36,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:37,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:37,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:37,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:37,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:37,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:37,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:37,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:37,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:38,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:38,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:38,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:38,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:38,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:38,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:39,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:39,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:39,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:39,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:39,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:39,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:39,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:39,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:39,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:39,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:39,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:39,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:39,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:40,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:40,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:40,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:40,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:40,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:40,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:40,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:40,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:41,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:41,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:41,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:41,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:41,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:41,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:42,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:42,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:42,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:42,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:42,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:42,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:43,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:43,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:43,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:43,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:43,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:43,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:43,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:43,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:43,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:44,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:44,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:44,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:44,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:44,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:44,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:44,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:44,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:45,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:45,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:45,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:45,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:46,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:46,207 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:46,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:46,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:46,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:46,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:47,166 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:47,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:47,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:47,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:47,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:47,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:47,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:47,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:47,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:47,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:47,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:48,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:48,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:48,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:48,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:48,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:48,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:48,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:48,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:49,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:49,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:49,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:49,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:49,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:49,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:49,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:49,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:50,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:50,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:50,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:50,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:50,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:50,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:50,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:50,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:50,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:50,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:51,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:51,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:51,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:51,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:51,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:51,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:52,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:52,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:52,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:52,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:52,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:52,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:52,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:52,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:53,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:53,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:53,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:53,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:53,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:53,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:53,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:53,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:53,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:53,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:53,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:54,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:54,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:54,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:54,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:54,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:54,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:54,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:54,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:54,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:54,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:54,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:54,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:55,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:55,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:55,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:55,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:55,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:55,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:55,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:55,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:55,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:56,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:56,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:56,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:56,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:56,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:57,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:57,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:57,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:57,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:57,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:57,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:58,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:58,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:58,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:58,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:58,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:58,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:58,885 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:58,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:58,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:58,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:58,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:59,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:59,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:59,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:59,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:24:59,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:24:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:59,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:59,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:59,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:59,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:00,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:00,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:00,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:00,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:00,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:00,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:01,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:01,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:01,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:01,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:01,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:01,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:02,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:02,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:02,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:02,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:02,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:03,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:03,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:03,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:03,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:03,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:03,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:03,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:03,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:03,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:04,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:04,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:04,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:04,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:04,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:04,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:04,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:04,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:04,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:05,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:05,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:05,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:05,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:05,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:05,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:06,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:06,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:06,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:06,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:06,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:06,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:06,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:06,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:07,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:07,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:07,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:07,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:07,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:07,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:07,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:07,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:08,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:08,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:08,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:08,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:08,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:08,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:08,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:08,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:08,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:09,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:09,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:09,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:09,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:09,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:09,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:09,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:09,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:09,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:10,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:10,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:10,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:10,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:10,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:10,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:10,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:10,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:11,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:11,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:11,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:11,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:12,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:12,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:12,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:12,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:12,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:12,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:12,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:12,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:13,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:13,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:13,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:13,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:13,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:13,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:13,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:13,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:14,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:14,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:14,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:14,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:14,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:14,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:14,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:14,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:14,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:14,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:15,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:15,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:15,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:15,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:15,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:15,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:15,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:15,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:16,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:16,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:16,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:16,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:16,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:16,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:16,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:16,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:17,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:17,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:17,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:17,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:17,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:17,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:17,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:17,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:18,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:18,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:18,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:18,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:18,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:18,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:18,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:18,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:18,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:18,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:18,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:19,280 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:19,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:19,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:19,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:19,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:19,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:19,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:19,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:19,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:19,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:20,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:20,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:20,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:20,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:20,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:20,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:20,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:20,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:21,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:21,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:21,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:21,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:21,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:21,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:21,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:21,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:21,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:22,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:22,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:22,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:22,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:22,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:22,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:22,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:22,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:22,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:22,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:23,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:23,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:23,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:23,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:23,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:23,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:23,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:23,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:23,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:24,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:24,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:24,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:24,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:24,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:24,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:24,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:24,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:24,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:25,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:25,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:25,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:25,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:26,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:26,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:26,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:26,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:26,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:26,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:26,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:26,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:27,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:27,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:27,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:27,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:27,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:27,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:27,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:27,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:27,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:27,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:27,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:28,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:28,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:28,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:28,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:28,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:28,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:28,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:28,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:28,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:28,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:29,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:29,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:29,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:29,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:29,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:29,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:29,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:29,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:29,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:30,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:30,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:30,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:30,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:30,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:30,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:30,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:30,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:31,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:31,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:31,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:31,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:31,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:31,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:31,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:31,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:32,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:32,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:32,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:32,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:32,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:32,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:32,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:32,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:32,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:33,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:33,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:33,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:33,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:33,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:33,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:34,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:34,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:34,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:34,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:34,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:34,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:34,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:34,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:34,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:35,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:35,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:35,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:35,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:35,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:35,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:35,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:35,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:35,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:35,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:36,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:36,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:36,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:36,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:36,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:36,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:36,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:36,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:37,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:37,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:37,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:37,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:37,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:37,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:37,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:37,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:37,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:38,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:38,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:38,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:38,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:38,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:38,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:38,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:38,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:39,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:39,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:39,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:39,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:39,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:39,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:39,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:40,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:40,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:40,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:40,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:40,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:40,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:40,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:41,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:41,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:41,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:41,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:41,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:41,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:41,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:41,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:41,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:41,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:41,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:42,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:42,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:42,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:42,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:42,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:42,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:42,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:42,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:42,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:43,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:43,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:43,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:43,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:43,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:43,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:43,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:43,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:43,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:44,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:44,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:44,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:44,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:44,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:44,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:45,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:45,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:45,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:45,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:45,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:45,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:45,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:45,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:46,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:46,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:46,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:46,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:46,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:46,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:47,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:47,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:47,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:47,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:47,584 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:47,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:47,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:47,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:48,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:48,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:48,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:48,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:48,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:48,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:48,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:48,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:48,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:49,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:49,130 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:49,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:49,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:49,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:49,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:49,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:49,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:49,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:49,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:49,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:49,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:50,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:50,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:50,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:50,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:50,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:50,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:51,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:51,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:51,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:51,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:51,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:51,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:51,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:51,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:52,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:52,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:52,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:52,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:52,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:52,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:52,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:52,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:53,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:53,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:53,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:53,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:54,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:54,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:54,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:54,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:54,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:54,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:54,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:54,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:55,169 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:55,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:55,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:55,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:55,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:55,729 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:55,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:55,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:55,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:55,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:55,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:56,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:56,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:56,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:56,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:56,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:56,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:56,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:56,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:57,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:57,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:57,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:57,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:58,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:58,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:58,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:58,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:59,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:59,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:59,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:59,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:59,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:25:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:25:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:59,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:59,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:59,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:59,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:00,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:00,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:00,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:00,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:00,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:01,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:01,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:01,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:01,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:02,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:02,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:02,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:02,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:03,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:03,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:03,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:03,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:03,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:03,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:03,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:03,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:04,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:04,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:04,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:04,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:04,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:04,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:05,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:05,508 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:05,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:05,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:05,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:06,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:06,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:06,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:06,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:07,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:07,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:07,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:07,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:08,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:08,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:08,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:08,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:08,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:08,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:08,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:09,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:09,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:09,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:09,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:09,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:09,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:09,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:09,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:10,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:10,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:10,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:10,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:10,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:10,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:10,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:11,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:12,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:12,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:12,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:12,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:12,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:12,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:12,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:12,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:12,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:13,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:13,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:14,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:14,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:14,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:14,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:14,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:14,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:14,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:15,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:15,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:15,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:15,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:15,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:15,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:15,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:16,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:16,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:16,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:16,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:16,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:16,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:16,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:16,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:17,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:17,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:18,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:18,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:18,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:18,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:18,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:18,681 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:18,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:18,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:18,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:18,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:19,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:19,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:19,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:19,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:19,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:19,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:19,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:19,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:19,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:19,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:19,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:20,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:20,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:20,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:20,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:20,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:20,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:20,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:21,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:21,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:21,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:21,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:21,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:22,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:22,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:23,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:23,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:23,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:23,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:23,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:23,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:23,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:23,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:23,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:24,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:24,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:24,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:25,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:25,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:25,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:25,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:26,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:26,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:26,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:26,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:26,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:26,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:26,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:26,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:26,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:27,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:27,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:27,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:27,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:28,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:28,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:28,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:28,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:29,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:29,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:29,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:29,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:29,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:29,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:30,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:30,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:30,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:30,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:30,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:30,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:30,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:30,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:30,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:31,281 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:31,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:31,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:31,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:31,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:31,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:31,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:32,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:32,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:32,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:32,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:33,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:33,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:33,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:33,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:34,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:34,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:34,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:34,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:34,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:35,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:35,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:35,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:35,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:35,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:35,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:35,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:35,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:35,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:36,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:36,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:36,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:36,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:36,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:36,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:36,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:37,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:37,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:37,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:37,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:38,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:38,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:38,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:38,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:39,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:39,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:39,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:39,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:39,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:39,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:40,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:40,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:40,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:40,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:40,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:41,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:41,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:41,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:41,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:41,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:41,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:41,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:42,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:42,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:42,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:42,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:43,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:43,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:43,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:43,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:44,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:44,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:44,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:44,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:44,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:44,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:44,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:45,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:45,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:45,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:45,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:46,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:46,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:46,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:46,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:46,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:46,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:46,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:46,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:47,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:47,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:47,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:47,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:47,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:47,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:47,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:47,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:48,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:48,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:48,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:49,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:49,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:49,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:49,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:49,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:49,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:49,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:49,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:50,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:50,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:50,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:50,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:50,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:50,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:50,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:50,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:50,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:50,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:51,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:51,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:51,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:51,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:51,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:51,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:51,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:51,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:51,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:52,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:52,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:52,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:52,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:53,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:53,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:53,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:53,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:53,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:53,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:53,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:53,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:54,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:54,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:54,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:54,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:54,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:54,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:54,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:54,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:55,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:55,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:55,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:55,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:55,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:55,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:55,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:55,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:56,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:56,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:56,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:56,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:56,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:56,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:57,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:57,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:57,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:57,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:57,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:58,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:58,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:58,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:58,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:58,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:58,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:58,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:58,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:59,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:59,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:26:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:26:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:59,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:26:59,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:00,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:00,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:00,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:00,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:00,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:00,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:01,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:01,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:01,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:02,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:02,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:02,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:02,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:03,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:03,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:03,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:03,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:03,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:03,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:03,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:03,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:03,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:04,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:04,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:04,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:04,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:05,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:05,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:05,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:05,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:06,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:06,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:06,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:06,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:07,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:07,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:07,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:07,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:08,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:08,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:08,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:09,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:09,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:09,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:10,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:10,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:10,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:10,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:11,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:11,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:11,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:12,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:12,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:12,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:12,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:12,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:12,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:12,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:12,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:13,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:13,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:13,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:13,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:13,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:13,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:13,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:14,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:14,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:14,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:15,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:15,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:15,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:15,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:15,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:15,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:15,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:15,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:16,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:16,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:17,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:17,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:17,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:17,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:17,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:17,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:17,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:17,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:17,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:18,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:18,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:18,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:18,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:18,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:18,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:18,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:18,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:18,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:19,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:19,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:19,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:19,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:20,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:20,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:20,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:20,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:20,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:20,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:20,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:20,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:20,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:21,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:21,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:21,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:21,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:21,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:21,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:22,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:22,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:22,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:22,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:23,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:23,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:24,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:24,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:24,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:24,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:24,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:24,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:25,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:25,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:25,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:25,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:25,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:26,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:26,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:26,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:26,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:26,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:26,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:27,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:27,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:27,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:27,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:28,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:28,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:28,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:28,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:28,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:28,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:28,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:28,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:29,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:29,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:29,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:29,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:29,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:29,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:30,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:30,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:30,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:30,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:30,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:31,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:31,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:31,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:31,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:31,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:31,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:31,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:31,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:32,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:32,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:32,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:32,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:32,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:32,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:32,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:32,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:33,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:33,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:33,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:34,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:34,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:34,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:34,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:34,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:34,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:35,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:35,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:35,978 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:35,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:35,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:35,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:36,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:36,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:37,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:37,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:37,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:37,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:37,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:37,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:37,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:37,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:38,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:38,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:38,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:38,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:39,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:39,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:39,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:39,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:40,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:40,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:40,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:40,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:40,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:40,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:41,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:41,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:41,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:41,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:41,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:41,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:41,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:42,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:42,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:42,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:42,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:42,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:43,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:43,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:43,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:43,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:44,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:44,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:44,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:45,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:45,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:45,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:45,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:45,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:45,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:45,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:45,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:46,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:46,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:46,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:46,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:47,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:47,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:47,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:47,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:48,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:48,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:48,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:48,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:48,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:48,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:49,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:49,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:49,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:49,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:49,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:49,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:49,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:49,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:50,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:50,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:50,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:50,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:51,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:51,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:51,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:51,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:51,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:51,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:52,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:52,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:52,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:53,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:53,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:53,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:53,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:53,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:53,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:54,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:54,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:54,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:54,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:54,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:54,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:54,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:54,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:55,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:55,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:55,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:55,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:56,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:56,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:56,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:56,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:56,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:56,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:57,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:57,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:57,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:57,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:57,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:57,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:58,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:58,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:58,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:58,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:59,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:59,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:59,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:59,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:27:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:27:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:59,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:59,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:59,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:27:59,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:00,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:00,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:00,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:00,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:00,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:01,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:01,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:01,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:01,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:01,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:01,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:01,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:01,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:02,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:02,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:02,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:02,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:02,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:03,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:03,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:03,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:03,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:04,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:04,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:04,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:04,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:05,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:05,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:05,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:05,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:05,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:05,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:06,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:06,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:06,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:06,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:06,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:06,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:06,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:07,161 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:07,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:07,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:07,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:07,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:07,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:07,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:07,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:07,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:08,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:08,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:08,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:08,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:08,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:08,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:08,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:08,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:09,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:09,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:09,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:09,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:10,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:10,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:10,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:10,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:10,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:10,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:10,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:10,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:11,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:11,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:11,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:11,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:11,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:12,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:12,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:12,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:12,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:13,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:13,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:14,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:14,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:14,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:14,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:15,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:15,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:15,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:15,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:16,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:16,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:16,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:17,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:17,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:17,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:17,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:18,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:18,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:18,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:19,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:19,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:19,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:19,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:19,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:19,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:19,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:19,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:19,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:20,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:20,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:20,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:20,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:20,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:20,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:20,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:20,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:20,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:20,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:21,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:21,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:21,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:21,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:22,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:22,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:22,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:22,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:22,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:22,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:22,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:22,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:23,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:23,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:23,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:23,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:23,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:24,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:24,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:24,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:24,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:24,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:24,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:25,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:25,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:25,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:25,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:25,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:25,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:25,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:25,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:25,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:26,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:26,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:26,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:26,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:27,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:27,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:27,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:27,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:27,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:27,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:28,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:28,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:28,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:28,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:29,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:29,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:29,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:29,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:30,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:30,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:30,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:30,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:31,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:31,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:31,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:31,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:31,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:31,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:31,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:31,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:32,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:32,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:32,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:32,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:33,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:33,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:33,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:33,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:33,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:33,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:34,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:34,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:34,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:34,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:35,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:35,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:35,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:35,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:35,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:35,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:35,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:35,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:36,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:36,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:36,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:36,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:36,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:37,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:37,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:38,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:38,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:38,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:38,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:49,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:49,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:49,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:49,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:50,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:50,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:50,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:50,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:50,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:50,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:51,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:51,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:51,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:51,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:51,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:51,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:52,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:52,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:52,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:52,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:53,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:53,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:53,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:53,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:53,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:53,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:53,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:53,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:53,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:53,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:54,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:54,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:54,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:54,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:55,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:55,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:55,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:55,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:55,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:55,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:55,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:55,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:56,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:56,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:56,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:56,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:56,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:57,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:57,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:57,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:57,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:57,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:57,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:57,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:57,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:57,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:57,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:58,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:58,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:58,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:58,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:28:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:28:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:59,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:59,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:59,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:28:59,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:00,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:00,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:00,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:00,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:00,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:00,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:00,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:01,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:01,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:01,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:01,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:01,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:02,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:02,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:02,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:02,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:02,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:02,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:02,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:03,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:03,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:03,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:03,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:04,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:04,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:04,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:04,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:04,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:04,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:04,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:04,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:04,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:04,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:04,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:05,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:05,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:06,251 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:06,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:06,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:06,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:06,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:06,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:06,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:06,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:06,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:07,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:07,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:07,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:07,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:08,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:08,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:08,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:08,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:08,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:08,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:09,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:09,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:09,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:09,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:09,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:09,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:10,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:10,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:10,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:10,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:11,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:11,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:11,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:11,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:11,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:11,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:11,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:11,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:12,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:12,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:12,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:12,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:13,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:13,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:13,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:13,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:13,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:13,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:13,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:13,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:14,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:14,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:14,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:14,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:15,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:15,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:15,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:15,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:15,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:15,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:15,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:15,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:15,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:16,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:16,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:17,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:17,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:17,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:17,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:17,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:17,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:18,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:18,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:18,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:18,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:19,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:19,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:19,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:19,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:19,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:19,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:19,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:19,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:20,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:20,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:20,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:20,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:21,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:21,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:21,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:21,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:21,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:21,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:21,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:21,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:22,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:22,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:22,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:22,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:23,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:23,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:23,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:23,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:23,973 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:23,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:23,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:23,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:24,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:24,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:24,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:24,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:25,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:25,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:25,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:26,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:26,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:26,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:26,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:26,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:26,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:26,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:26,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:27,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:27,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:27,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:27,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:28,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:28,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:28,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:28,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:29,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:29,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:29,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:29,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:29,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:30,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:30,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:30,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:30,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:30,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:31,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:31,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:31,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:31,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:32,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:32,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:32,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:32,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:32,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:32,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:32,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:33,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:33,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:33,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:33,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:33,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:33,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:33,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:34,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:34,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:34,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:34,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:34,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:34,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:34,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:34,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:35,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:35,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:35,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:35,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:36,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:36,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:36,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:36,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:36,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:36,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:37,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:37,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:37,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:37,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:38,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:38,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:38,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:38,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:39,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:39,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:39,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:39,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:39,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:39,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:39,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:39,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:40,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:40,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:40,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:40,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:40,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:40,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:40,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:41,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:41,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:41,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:41,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:42,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:42,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:42,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:42,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:43,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:43,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:43,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:44,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:44,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:44,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:44,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:44,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:44,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:44,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:44,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:44,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:45,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:45,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:45,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:45,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:46,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:46,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:46,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:46,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:46,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:46,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:46,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:46,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:46,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:47,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:47,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:47,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:47,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:48,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:48,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:48,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:48,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:48,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:48,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:48,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:48,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:49,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:49,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:49,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:49,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:50,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:50,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:50,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:50,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:50,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:50,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:50,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:50,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:51,521 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:51,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:51,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:51,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:51,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:51,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:52,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:52,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:52,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:52,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:52,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:52,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:52,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:52,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:53,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:53,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:53,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:53,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:54,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:54,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:54,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:54,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:54,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:54,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:54,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:54,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:54,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:55,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:55,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:55,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:55,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:55,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:56,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:56,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:56,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:56,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:56,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:56,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:56,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:57,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:57,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:57,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:57,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:57,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:57,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:58,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:58,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:58,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:58,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:59,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:59,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:59,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:59,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:29:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:29:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:59,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:59,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:59,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:29:59,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:00,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:00,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:00,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:00,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:01,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:01,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:01,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:01,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:01,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:01,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:01,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:01,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:02,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:02,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:02,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:02,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:03,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:03,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:03,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:03,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:03,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:03,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:04,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:04,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:04,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:04,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:05,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:05,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:05,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:05,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:06,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:06,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:06,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:06,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:06,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:06,718 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:06,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:06,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:06,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:07,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:07,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:07,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:07,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:08,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:08,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:08,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:08,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:08,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:08,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:08,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:08,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:09,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:09,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:09,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:09,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:09,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:10,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:10,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:10,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:10,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:10,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:10,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:10,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:10,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:10,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:11,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:11,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:11,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:11,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:12,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:12,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:12,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:12,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:12,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:12,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:12,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:12,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:12,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:12,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:13,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:13,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:13,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:13,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:14,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:14,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:14,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:14,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:14,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:14,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:14,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:14,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:15,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:15,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:15,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:15,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:16,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:16,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:16,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:16,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:16,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:16,927 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:16,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:16,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:16,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:16,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:17,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:17,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:17,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:17,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:18,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:18,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:18,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:18,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:18,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:18,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:18,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:18,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:19,636 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:19,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:19,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:19,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:19,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:20,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:20,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:20,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:20,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:20,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:20,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:20,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:20,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:21,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:21,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:21,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:21,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:22,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:22,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:22,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:22,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:23,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:23,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:23,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:23,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:23,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:23,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:23,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:23,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:23,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:23,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:24,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:24,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:24,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:24,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:25,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:25,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:25,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:25,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:25,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:25,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:25,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:25,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:26,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:26,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:26,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:27,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:27,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:27,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:27,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:28,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:28,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:28,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:28,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:29,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:29,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:29,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:29,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:29,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:29,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:30,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:30,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:30,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:30,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:31,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:31,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:31,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:31,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:32,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:32,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:32,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:32,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:32,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:33,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:33,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:33,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:33,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:34,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:34,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:34,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:34,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:34,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:34,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:34,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:34,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:35,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:35,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:35,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:36,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:36,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:36,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:36,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:36,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:36,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:36,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:36,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:36,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:37,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:37,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:37,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:37,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:37,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:38,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:38,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:38,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:38,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:38,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:38,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:38,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:38,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:38,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:38,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:39,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:39,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:39,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:39,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:40,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:40,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:40,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:40,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:40,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:40,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:40,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:40,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:41,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:41,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:41,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:41,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:42,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:42,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:42,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:42,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:43,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:43,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:43,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:44,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:44,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:44,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:44,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:44,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:44,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:44,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:44,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:45,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:45,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:45,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:45,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:45,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:45,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:46,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:46,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:46,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:46,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:46,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:46,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:46,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:47,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:47,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:47,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:47,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:48,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:48,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:48,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:48,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:49,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:49,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:49,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:49,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:50,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:50,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:50,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:50,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:51,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:51,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:51,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:51,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:51,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:51,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:51,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:51,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:52,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:52,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:52,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:52,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:52,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:53,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:53,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:53,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:53,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:53,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:53,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:53,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:53,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:53,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:54,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:54,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:54,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:54,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:55,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:55,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:55,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:55,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:56,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:56,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:56,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:56,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:56,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:56,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:56,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:56,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:30:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:30:57,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:57,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:57,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:57,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:30:57,485 INFO L286 TraceCheckSpWp]: Computing forward predicates...