./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN --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 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:28:53,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:28:53,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:28:53,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:28:53,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:28:53,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:28:53,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:28:53,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:28:53,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:28:53,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:28:53,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:28:53,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:28:53,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:28:53,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:28:53,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:28:53,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:28:53,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:28:53,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:28:53,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:28:53,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:28:53,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:28:53,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:28:53,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:28:53,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:28:53,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:28:53,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:28:53,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:28:53,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:28:53,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:28:53,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:28:53,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:28:53,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:28:53,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:28:53,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:28:53,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:28:53,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:28:53,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:28:53,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:28:53,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:28:53,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:28:53,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:28:53,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:28:53,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:28:53,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:28:53,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:28:53,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:28:53,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:28:53,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:28:53,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:28:53,630 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:28:53,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:28:53,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:28:53,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:28:53,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:28:53,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:28:53,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:28:53,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:28:53,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:28:53,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:28:53,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:28:53,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:28:53,633 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:28:53,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:28:53,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:28:53,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:28:53,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:28:53,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:28:53,634 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:28:53,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:28:53,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:28:53,635 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_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 [2021-11-21 06:28:53,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:28:53,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:28:53,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:28:53,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:28:53,962 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:28:53,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2021-11-21 06:28:54,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/data/c692c5a70/4676523521f34b8ea1b11a8943169ff6/FLAG430c2ee8d [2021-11-21 06:28:54,487 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:28:54,487 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2021-11-21 06:28:54,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/data/c692c5a70/4676523521f34b8ea1b11a8943169ff6/FLAG430c2ee8d [2021-11-21 06:28:54,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/data/c692c5a70/4676523521f34b8ea1b11a8943169ff6 [2021-11-21 06:28:54,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:28:54,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:28:54,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:28:54,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:28:54,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:28:54,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cec96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54, skipping insertion in model container [2021-11-21 06:28:54,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:28:54,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:28:54,731 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_68f2f44a-e231-4757-8a95-8ee5e974a675/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822] [2021-11-21 06:28:54,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:28:54,760 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:28:54,775 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_68f2f44a-e231-4757-8a95-8ee5e974a675/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822] [2021-11-21 06:28:54,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:28:54,803 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:28:54,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54 WrapperNode [2021-11-21 06:28:54,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:28:54,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:28:54,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:28:54,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:28:54,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,845 INFO L137 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2021-11-21 06:28:54,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:28:54,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:28:54,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:28:54,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:28:54,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:28:54,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:28:54,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:28:54,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:28:54,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:54" (1/1) ... [2021-11-21 06:28:54,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:28:54,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:28:54,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:28:54,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f2f44a-e231-4757-8a95-8ee5e974a675/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:28:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:28:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:28:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:28:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:28:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:28:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:28:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:28:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:28:55,022 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:28:55,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:28:55,114 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:28:55,133 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:28:55,133 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 06:28:55,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:55 BoogieIcfgContainer [2021-11-21 06:28:55,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:28:55,137 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:28:55,137 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:28:55,146 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:28:55,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:55" (1/1) ... [2021-11-21 06:28:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:28:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-21 06:28:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-21 06:28:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:28:55,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:55,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-21 06:28:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-21 06:28:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:28:55,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:55,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2021-11-21 06:28:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2021-11-21 06:28:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:28:56,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:56,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2021-11-21 06:28:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2021-11-21 06:28:56,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:28:56,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:56,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 21 states and 41 transitions. [2021-11-21 06:28:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 41 transitions. [2021-11-21 06:28:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:28:57,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:57,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2021-11-21 06:28:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2021-11-21 06:28:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:28:59,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:59,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:00,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 63 transitions. [2021-11-21 06:29:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 63 transitions. [2021-11-21 06:29:00,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:29:00,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:00,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2021-11-21 06:29:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2021-11-21 06:29:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:29:00,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:00,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2021-11-21 06:29:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2021-11-21 06:29:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:29:01,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:01,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 34 states and 70 transitions. [2021-11-21 06:29:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 70 transitions. [2021-11-21 06:29:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:29:03,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:03,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2021-11-21 06:29:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2021-11-21 06:29:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:29:04,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:04,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 93 transitions. [2021-11-21 06:29:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 93 transitions. [2021-11-21 06:29:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:29:07,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:07,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:08,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 46 states and 102 transitions. [2021-11-21 06:29:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 102 transitions. [2021-11-21 06:29:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:29:08,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:08,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:09,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 48 states and 110 transitions. [2021-11-21 06:29:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 110 transitions. [2021-11-21 06:29:09,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:29:09,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:09,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:10,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:10,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 49 states and 113 transitions. [2021-11-21 06:29:10,196 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 113 transitions. [2021-11-21 06:29:10,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:29:10,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:10,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 91 transitions. [2021-11-21 06:29:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 91 transitions. [2021-11-21 06:29:11,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:29:11,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:11,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2021-11-21 06:29:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2021-11-21 06:29:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:29:15,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:15,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 109 transitions. [2021-11-21 06:29:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 109 transitions. [2021-11-21 06:29:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:29:15,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:15,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 59 states and 130 transitions. [2021-11-21 06:29:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2021-11-21 06:29:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:29:19,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:19,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 62 states and 133 transitions. [2021-11-21 06:29:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 133 transitions. [2021-11-21 06:29:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:29:21,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:21,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 64 states and 144 transitions. [2021-11-21 06:29:22,562 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 144 transitions. [2021-11-21 06:29:22,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:29:22,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:22,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 151 transitions. [2021-11-21 06:29:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 151 transitions. [2021-11-21 06:29:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:29:24,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:24,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 68 states and 158 transitions. [2021-11-21 06:29:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 158 transitions. [2021-11-21 06:29:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:29:25,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:25,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:26,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 66 states and 143 transitions. [2021-11-21 06:29:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 143 transitions. [2021-11-21 06:29:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:29:26,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:26,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 146 transitions. [2021-11-21 06:29:27,714 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 146 transitions. [2021-11-21 06:29:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:29:27,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:27,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 72 states and 162 transitions. [2021-11-21 06:29:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 162 transitions. [2021-11-21 06:29:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:29:31,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:31,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 165 transitions. [2021-11-21 06:29:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 165 transitions. [2021-11-21 06:29:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:29:33,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:33,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 81 states and 189 transitions. [2021-11-21 06:29:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 189 transitions. [2021-11-21 06:29:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:29:38,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:38,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:38,702 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 86 states and 205 transitions. [2021-11-21 06:29:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 205 transitions. [2021-11-21 06:29:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:29:42,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:42,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2021-11-21 06:29:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2021-11-21 06:29:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:29:45,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:45,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 83 states and 170 transitions. [2021-11-21 06:29:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 170 transitions. [2021-11-21 06:29:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:29:47,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:47,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2021-11-21 06:29:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2021-11-21 06:29:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:29:49,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:49,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 92 states and 195 transitions. [2021-11-21 06:29:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 195 transitions. [2021-11-21 06:29:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:29:56,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:56,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:57,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 93 states and 196 transitions. [2021-11-21 06:29:57,769 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 196 transitions. [2021-11-21 06:29:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:29:57,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:57,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 95 states and 203 transitions. [2021-11-21 06:30:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 203 transitions. [2021-11-21 06:30:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:30:00,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:00,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 96 states and 207 transitions. [2021-11-21 06:30:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 207 transitions. [2021-11-21 06:30:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:30:02,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:02,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:03,528 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 104 states and 233 transitions. [2021-11-21 06:30:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 233 transitions. [2021-11-21 06:30:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:30:12,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:12,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:13,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 105 states and 234 transitions. [2021-11-21 06:30:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 234 transitions. [2021-11-21 06:30:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:30:13,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:13,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 100 states and 208 transitions. [2021-11-21 06:30:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 208 transitions. [2021-11-21 06:30:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:30:15,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:15,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 102 states and 219 transitions. [2021-11-21 06:30:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 219 transitions. [2021-11-21 06:30:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:30:18,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:18,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 104 states and 229 transitions. [2021-11-21 06:30:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 229 transitions. [2021-11-21 06:30:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:30:21,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:21,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:24,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 106 states and 236 transitions. [2021-11-21 06:30:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 236 transitions. [2021-11-21 06:30:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:30:24,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:24,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 252 transitions. [2021-11-21 06:30:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 252 transitions. [2021-11-21 06:30:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:30:31,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:31,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 114 states and 255 transitions. [2021-11-21 06:30:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 255 transitions. [2021-11-21 06:30:35,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:30:35,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:35,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 4 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 116 states and 262 transitions. [2021-11-21 06:30:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 262 transitions. [2021-11-21 06:30:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:30:38,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:38,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 288 transitions. [2021-11-21 06:30:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 288 transitions. [2021-11-21 06:30:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:30:48,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:48,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 125 states and 291 transitions. [2021-11-21 06:30:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 291 transitions. [2021-11-21 06:30:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:30:53,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:53,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 127 states and 296 transitions. [2021-11-21 06:30:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 296 transitions. [2021-11-21 06:30:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:30:57,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:57,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 129 states and 309 transitions. [2021-11-21 06:31:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 309 transitions. [2021-11-21 06:31:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:31:01,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:01,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 131 states and 321 transitions. [2021-11-21 06:31:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 321 transitions. [2021-11-21 06:31:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:31:05,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:05,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 11 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2021-11-21 06:31:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2021-11-21 06:31:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:31:07,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:07,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:08,503 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:11,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 127 states and 297 transitions. [2021-11-21 06:31:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 297 transitions. [2021-11-21 06:31:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:31:11,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:11,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 134 states and 316 transitions. [2021-11-21 06:31:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 316 transitions. [2021-11-21 06:31:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:31:24,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:24,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 135 states and 317 transitions. [2021-11-21 06:31:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 317 transitions. [2021-11-21 06:31:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:31:26,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:26,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 137 states and 324 transitions. [2021-11-21 06:31:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 324 transitions. [2021-11-21 06:31:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:31:30,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:30,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 143 states and 352 transitions. [2021-11-21 06:31:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 352 transitions. [2021-11-21 06:31:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:31:43,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:43,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 146 states and 355 transitions. [2021-11-21 06:31:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 355 transitions. [2021-11-21 06:31:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:31:49,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:49,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 148 states and 370 transitions. [2021-11-21 06:31:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 370 transitions. [2021-11-21 06:31:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:31:54,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:54,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:59,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 150 states and 377 transitions. [2021-11-21 06:31:59,106 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 377 transitions. [2021-11-21 06:31:59,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:31:59,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:59,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 11 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 151 states and 381 transitions. [2021-11-21 06:32:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 381 transitions. [2021-11-21 06:32:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:32:02,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:02,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 11 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 152 states and 382 transitions. [2021-11-21 06:32:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 382 transitions. [2021-11-21 06:32:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:32:03,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:03,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 1 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:09,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 154 states and 396 transitions. [2021-11-21 06:32:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 396 transitions. [2021-11-21 06:32:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:32:09,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:09,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 159 states and 415 transitions. [2021-11-21 06:32:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 415 transitions. [2021-11-21 06:32:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:32:20,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:20,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 2 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 161 states and 426 transitions. [2021-11-21 06:32:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 426 transitions. [2021-11-21 06:32:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:32:25,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:25,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:25,182 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 164 states and 429 transitions. [2021-11-21 06:32:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 429 transitions. [2021-11-21 06:32:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:32:32,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:32,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 157 states and 387 transitions. [2021-11-21 06:32:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 387 transitions. [2021-11-21 06:32:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:32:35,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:35,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:08,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 164 states and 415 transitions. [2021-11-21 06:33:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 415 transitions. [2021-11-21 06:33:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:33:08,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:08,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 165 states and 416 transitions. [2021-11-21 06:33:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 416 transitions. [2021-11-21 06:33:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:33:11,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:11,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 4 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 167 states and 425 transitions. [2021-11-21 06:33:17,289 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 425 transitions. [2021-11-21 06:33:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:33:17,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:17,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 169 states and 438 transitions. [2021-11-21 06:33:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 438 transitions. [2021-11-21 06:33:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:33:38,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:38,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 7 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 171 states and 445 transitions. [2021-11-21 06:33:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 445 transitions. [2021-11-21 06:33:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:33:44,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:44,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 173 states and 452 transitions. [2021-11-21 06:33:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 452 transitions. [2021-11-21 06:33:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:33:50,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:50,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 1 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:57,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 175 states and 468 transitions. [2021-11-21 06:33:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 468 transitions. [2021-11-21 06:33:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:33:57,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:57,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 16 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 176 states and 472 transitions. [2021-11-21 06:34:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 472 transitions. [2021-11-21 06:34:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:34:02,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:02,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 2 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 178 states and 485 transitions. [2021-11-21 06:34:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 485 transitions. [2021-11-21 06:34:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:34:09,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:09,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 16 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 179 states and 486 transitions. [2021-11-21 06:34:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 486 transitions. [2021-11-21 06:34:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:34:11,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:11,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:13,544 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 186 states and 505 transitions. [2021-11-21 06:34:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 505 transitions. [2021-11-21 06:34:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:34:33,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:33,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 22 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 178 states and 454 transitions. [2021-11-21 06:34:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 454 transitions. [2021-11-21 06:34:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:34:36,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:36,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 4 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 180 states and 465 transitions. [2021-11-21 06:34:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 465 transitions. [2021-11-21 06:34:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:34:43,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:43,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 188 states and 496 transitions. [2021-11-21 06:35:11,163 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 496 transitions. [2021-11-21 06:35:11,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:35:11,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:11,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 7 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 190 states and 505 transitions. [2021-11-21 06:35:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 505 transitions. [2021-11-21 06:35:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:35:17,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:17,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 1 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 192 states and 524 transitions. [2021-11-21 06:35:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 524 transitions. [2021-11-21 06:35:25,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:35:25,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:25,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 11 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 194 states and 531 transitions. [2021-11-21 06:35:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 531 transitions. [2021-11-21 06:35:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:35:32,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:32,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 1 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 196 states and 549 transitions. [2021-11-21 06:35:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 549 transitions. [2021-11-21 06:35:40,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:35:40,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:40,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 16 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 198 states and 556 transitions. [2021-11-21 06:35:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 556 transitions. [2021-11-21 06:35:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:35:47,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:47,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 205 states and 576 transitions. [2021-11-21 06:36:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 576 transitions. [2021-11-21 06:36:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:36:13,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:13,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:21,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 207 states and 591 transitions. [2021-11-21 06:36:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 591 transitions. [2021-11-21 06:36:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:36:21,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:21,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 215 states and 625 transitions. [2021-11-21 06:36:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 625 transitions. [2021-11-21 06:36:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:36:53,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:53,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 216 states and 629 transitions. [2021-11-21 06:36:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 629 transitions. [2021-11-21 06:36:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:36:59,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:59,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 217 states and 630 transitions. [2021-11-21 06:37:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 630 transitions. [2021-11-21 06:37:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:37:02,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:02,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 4 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 219 states and 643 transitions. [2021-11-21 06:37:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 643 transitions. [2021-11-21 06:37:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:37:10,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:10,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 1 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 221 states and 665 transitions. [2021-11-21 06:37:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 665 transitions. [2021-11-21 06:37:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:37:19,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:19,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 29 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:24,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 212 states and 602 transitions. [2021-11-21 06:37:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 602 transitions. [2021-11-21 06:37:24,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:37:24,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:24,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 7 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 214 states and 613 transitions. [2021-11-21 06:37:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 613 transitions. [2021-11-21 06:37:32,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:37:32,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:32,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 11 proven. 251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 216 states and 622 transitions. [2021-11-21 06:37:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 622 transitions. [2021-11-21 06:37:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:37:41,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:41,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:50,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 218 states and 642 transitions. [2021-11-21 06:37:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 642 transitions. [2021-11-21 06:37:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:37:50,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:50,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 16 proven. 263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 220 states and 649 transitions. [2021-11-21 06:37:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 649 transitions. [2021-11-21 06:37:58,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:37:58,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:58,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 227 states and 670 transitions. [2021-11-21 06:38:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 670 transitions. [2021-11-21 06:38:28,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:38:28,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:28,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 2 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 229 states and 687 transitions. [2021-11-21 06:38:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 687 transitions. [2021-11-21 06:38:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:38:37,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:37,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 4 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:46,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 231 states and 702 transitions. [2021-11-21 06:38:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 702 transitions. [2021-11-21 06:38:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:38:46,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:46,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 239 states and 738 transitions. [2021-11-21 06:39:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 738 transitions. [2021-11-21 06:39:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:39:26,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:26,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 22 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 241 states and 745 transitions. [2021-11-21 06:39:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 745 transitions. [2021-11-21 06:39:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:39:35,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:35,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 1 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 243 states and 769 transitions. [2021-11-21 06:39:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 769 transitions. [2021-11-21 06:39:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:39:45,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:45,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 29 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 244 states and 773 transitions. [2021-11-21 06:39:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 773 transitions. [2021-11-21 06:39:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:39:52,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:52,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 29 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 245 states and 774 transitions. [2021-11-21 06:39:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 774 transitions. [2021-11-21 06:39:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:39:55,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:55,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 7 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 247 states and 787 transitions. [2021-11-21 06:40:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 787 transitions. [2021-11-21 06:40:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:40:05,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 37 proven. 299 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 237 states and 713 transitions. [2021-11-21 06:40:11,659 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 713 transitions. [2021-11-21 06:40:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:40:11,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:11,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 11 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 239 states and 724 transitions. [2021-11-21 06:40:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 724 transitions. [2021-11-21 06:40:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:40:21,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:21,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 1 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 241 states and 746 transitions. [2021-11-21 06:40:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 746 transitions. [2021-11-21 06:40:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:40:31,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:31,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 248 states and 768 transitions. [2021-11-21 06:41:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 768 transitions. [2021-11-21 06:41:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:41:07,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:07,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 2 proven. 305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.