./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4 --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 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:15:51,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:15:51,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:15:51,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:15:51,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:15:51,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:15:51,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:15:51,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:15:51,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:15:51,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:15:51,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:15:51,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:15:51,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:15:51,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:15:51,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:15:51,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:15:51,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:15:51,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:15:51,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:15:51,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:15:51,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:15:51,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:15:51,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:15:51,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:15:51,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:15:51,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:15:51,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:15:51,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:15:51,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:15:51,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:15:51,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:15:51,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:15:51,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:15:51,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:15:51,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:15:51,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:15:51,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:15:51,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:15:51,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:15:51,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:15:51,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:15:51,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:15:51,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:15:51,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:15:51,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:15:51,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:15:51,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:15:51,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:15:51,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:15:51,731 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:15:51,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:15:51,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:15:51,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:15:51,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:15:51,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:15:51,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:15:51,732 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:15:51,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:15:51,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:15:51,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:15:51,733 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:15:51,733 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:15:51,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:15:51,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:15:51,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:15:51,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:15:51,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:15:51,735 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:15:51,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:15:51,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:15:51,735 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_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db [2022-12-14 20:15:51,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:15:51,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:15:51,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:15:51,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:15:51,981 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:15:51,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2022-12-14 20:15:54,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:15:54,835 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:15:54,836 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2022-12-14 20:15:54,844 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/data/7725e0071/8fa34846eb074c429fc72428bc9e9238/FLAGc1a2861a3 [2022-12-14 20:15:54,858 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/data/7725e0071/8fa34846eb074c429fc72428bc9e9238 [2022-12-14 20:15:54,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:15:54,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:15:54,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:15:54,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:15:54,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:15:54,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:15:54" (1/1) ... [2022-12-14 20:15:54,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4157e74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:54, skipping insertion in model container [2022-12-14 20:15:54,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:15:54" (1/1) ... [2022-12-14 20:15:54,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:15:54,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:15:55,059 WARN L237 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_da2f626a-53c9-474a-bf89-3c2f09ba63b9/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2022-12-14 20:15:55,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:15:55,072 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:15:55,110 WARN L237 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_da2f626a-53c9-474a-bf89-3c2f09ba63b9/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2022-12-14 20:15:55,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:15:55,123 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:15:55,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55 WrapperNode [2022-12-14 20:15:55,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:15:55,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:15:55,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:15:55,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:15:55,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,161 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 256 [2022-12-14 20:15:55,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:15:55,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:15:55,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:15:55,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:15:55,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:15:55,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:15:55,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:15:55,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:15:55,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:15:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:15:55,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:15:55,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f626a-53c9-474a-bf89-3c2f09ba63b9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:15:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:15:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:15:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:15:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:15:55,320 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:15:55,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:15:55,582 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:15:55,763 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:15:55,763 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:15:55,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:15:55 BoogieIcfgContainer [2022-12-14 20:15:55,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:15:55,765 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:15:55,766 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:15:55,773 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:15:55,773 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:15:55" (1/1) ... [2022-12-14 20:15:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:15:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 20:15:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 20:15:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:15:55,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-14 20:15:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-14 20:15:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:15:56,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:56,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-14 20:15:57,127 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-14 20:15:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:15:57,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:57,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-12-14 20:15:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-12-14 20:15:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:15:57,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:57,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-12-14 20:15:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-12-14 20:15:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 20:15:58,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:58,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-12-14 20:16:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-12-14 20:16:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:16:03,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:03,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:04,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2022-12-14 20:16:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2022-12-14 20:16:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:16:06,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2022-12-14 20:16:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2022-12-14 20:16:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:16:12,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 109 transitions. [2022-12-14 20:16:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 109 transitions. [2022-12-14 20:16:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:16:20,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:20,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 74 states and 142 transitions. [2022-12-14 20:16:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 142 transitions. [2022-12-14 20:16:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:16:29,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:29,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:33,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 80 states and 154 transitions. [2022-12-14 20:16:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2022-12-14 20:16:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:16:33,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:33,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 88 states and 178 transitions. [2022-12-14 20:16:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 178 transitions. [2022-12-14 20:16:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:16:40,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:40,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 92 states and 187 transitions. [2022-12-14 20:16:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 187 transitions. [2022-12-14 20:16:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:16:44,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:44,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:53,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 102 states and 206 transitions. [2022-12-14 20:16:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 206 transitions. [2022-12-14 20:16:53,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:16:53,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:53,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 103 states and 210 transitions. [2022-12-14 20:16:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 210 transitions. [2022-12-14 20:16:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:16:56,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:56,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:18:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:18:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 128 states and 278 transitions. [2022-12-14 20:18:01,710 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 278 transitions. [2022-12-14 20:18:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:18:01,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:18:01,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:18:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:18:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 153 states and 352 transitions. [2022-12-14 20:20:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 352 transitions. [2022-12-14 20:20:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:20:13,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:13,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:22:58,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:22:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 178 states and 414 transitions. [2022-12-14 20:22:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 414 transitions. [2022-12-14 20:22:58,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:22:58,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:22:58,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:22:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:27:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:27:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 203 states and 487 transitions. [2022-12-14 20:27:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 487 transitions. [2022-12-14 20:27:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:27:02,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:27:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:27:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:27:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:28:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:28:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 217 states and 510 transitions. [2022-12-14 20:28:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 510 transitions. [2022-12-14 20:28:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:28:13,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:28:13,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:28:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:28:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:28:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:28:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 223 states and 518 transitions. [2022-12-14 20:28:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 518 transitions. [2022-12-14 20:28:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:28:36,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:28:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:28:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:29:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.