./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH --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 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 --- 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-e04fb08 [2022-11-16 08:27:15,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:27:15,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:27:15,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:27:15,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:27:15,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:27:15,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:27:15,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:27:15,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:27:15,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:27:15,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:27:15,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:27:15,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:27:15,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:27:15,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:27:15,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:27:15,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:27:15,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:27:15,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:27:15,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:27:15,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:27:15,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:27:15,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:27:15,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:27:15,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:27:15,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:27:15,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:27:15,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:27:15,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:27:15,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:27:15,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:27:15,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:27:15,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:27:15,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:27:15,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:27:15,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:27:15,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:27:15,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:27:15,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:27:15,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:27:15,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:27:15,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 08:27:15,820 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:27:15,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:27:15,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:27:15,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:27:15,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:27:15,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:27:15,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:27:15,823 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:27:15,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:27:15,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:27:15,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:27:15,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:27:15,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:27:15,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:27:15,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:27:15,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:27:15,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:27:15,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:27:15,825 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:27:15,826 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:27:15,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:27:15,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:27:15,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:27:15,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:27:15,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:27:15,827 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:27:15,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:27:15,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:27:15,828 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_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2022-11-16 08:27:16,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:27:16,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:27:16,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:27:16,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:27:16,159 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:27:16,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-11-16 08:27:16,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/data/088a769e9/5662df193a3b4f8a9b0a34349afcdca6/FLAG36005ab50 [2022-11-16 08:27:16,760 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:27:16,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-11-16 08:27:16,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/data/088a769e9/5662df193a3b4f8a9b0a34349afcdca6/FLAG36005ab50 [2022-11-16 08:27:17,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/data/088a769e9/5662df193a3b4f8a9b0a34349afcdca6 [2022-11-16 08:27:17,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:27:17,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:27:17,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:27:17,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:27:17,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:27:17,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d1713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17, skipping insertion in model container [2022-11-16 08:27:17,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:27:17,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:27:17,374 WARN L229 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_997f2ab1-3392-4142-b695-63f527676b30/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-11-16 08:27:17,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:27:17,386 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:27:17,436 WARN L229 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_997f2ab1-3392-4142-b695-63f527676b30/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-11-16 08:27:17,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:27:17,459 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:27:17,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17 WrapperNode [2022-11-16 08:27:17,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:27:17,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:27:17,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:27:17,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:27:17,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,511 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 309 [2022-11-16 08:27:17,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:27:17,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:27:17,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:27:17,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:27:17,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:27:17,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:27:17,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:27:17,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:27:17,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:17" (1/1) ... [2022-11-16 08:27:17,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:27:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:27:17,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:27:17,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997f2ab1-3392-4142-b695-63f527676b30/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:27:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:27:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:27:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:27:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:27:17,795 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:27:17,797 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:27:18,298 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:27:18,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:27:18,843 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:27:18,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:27:18 BoogieIcfgContainer [2022-11-16 08:27:18,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:27:18,849 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:27:18,849 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:27:18,859 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:27:18,860 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:27:18" (1/1) ... [2022-11-16 08:27:18,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:27:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-16 08:27:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-16 08:27:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 08:27:18,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:18,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:27:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-16 08:27:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-16 08:27:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 08:27:20,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:20,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:27:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-11-16 08:27:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-11-16 08:27:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 08:27:21,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:21,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:27:23,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-11-16 08:27:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-11-16 08:27:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:27:23,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:23,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:27:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-11-16 08:27:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-11-16 08:27:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 08:27:24,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:27:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-11-16 08:27:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-11-16 08:27:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:27:34,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:34,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:27:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2022-11-16 08:27:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2022-11-16 08:27:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:27:48,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:27:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:27:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2022-11-16 08:27:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2022-11-16 08:27:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:27:53,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:27:53,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:27:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:27:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2022-11-16 08:28:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2022-11-16 08:28:06,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 08:28:06,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:28:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 135 transitions. [2022-11-16 08:28:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 135 transitions. [2022-11-16 08:28:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:28:21,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:28:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 143 transitions. [2022-11-16 08:28:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 143 transitions. [2022-11-16 08:28:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:28:30,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:30,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:28:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 87 states and 153 transitions. [2022-11-16 08:28:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 153 transitions. [2022-11-16 08:28:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:28:37,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:37,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:28:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 97 states and 173 transitions. [2022-11-16 08:28:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 173 transitions. [2022-11-16 08:28:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:28:53,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:53,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:28:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 98 states and 176 transitions. [2022-11-16 08:28:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 176 transitions. [2022-11-16 08:28:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:28:57,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:57,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:28:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 99 states and 176 transitions. [2022-11-16 08:28:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 176 transitions. [2022-11-16 08:28:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 08:28:59,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:59,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 231 transitions. [2022-11-16 08:31:49,278 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 231 transitions. [2022-11-16 08:31:49,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 08:31:49,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:49,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2022-11-16 08:32:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2022-11-16 08:32:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 08:32:07,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:33:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:33:51,807 WARN L233 SmtUtils]: Spent 6.98s on a formula simplification. DAG size of input: 534 DAG size of output: 480 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:34:02,357 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 536 DAG size of output: 523 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:34:21,238 WARN L233 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 531 DAG size of output: 477 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:34:29,557 WARN L233 SmtUtils]: Spent 7.70s on a formula simplification. DAG size of input: 533 DAG size of output: 520 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:34:49,128 WARN L233 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 530 DAG size of output: 476 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:34:57,467 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification. DAG size of input: 532 DAG size of output: 519 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:35:16,372 WARN L233 SmtUtils]: Spent 6.92s on a formula simplification. DAG size of input: 531 DAG size of output: 477 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:35:24,409 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 533 DAG size of output: 520 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:35:49,625 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 523 DAG size of output: 510 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:36:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:36:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 159 states and 315 transitions. [2022-11-16 08:36:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 315 transitions. [2022-11-16 08:36:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 08:36:47,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:36:47,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:36:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:38:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:38:56,850 WARN L233 SmtUtils]: Spent 12.66s on a formula simplification. DAG size of input: 624 DAG size of output: 458 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:39:11,928 WARN L233 SmtUtils]: Spent 11.36s on a formula simplification. DAG size of input: 626 DAG size of output: 543 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:39:19,468 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 447 DAG size of output: 446 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:39:28,790 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification. DAG size of input: 538 DAG size of output: 537 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:39:42,813 WARN L233 SmtUtils]: Spent 12.49s on a formula simplification. DAG size of input: 621 DAG size of output: 455 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:39:54,850 WARN L233 SmtUtils]: Spent 11.24s on a formula simplification. DAG size of input: 623 DAG size of output: 540 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:40:02,514 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 444 DAG size of output: 443 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:40:11,698 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 535 DAG size of output: 534 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:40:25,901 WARN L233 SmtUtils]: Spent 13.12s on a formula simplification. DAG size of input: 620 DAG size of output: 456 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:40:39,684 WARN L233 SmtUtils]: Spent 12.83s on a formula simplification. DAG size of input: 622 DAG size of output: 539 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:40:56,973 WARN L233 SmtUtils]: Spent 7.83s on a formula simplification. DAG size of input: 534 DAG size of output: 533 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 08:41:13,084 WARN L233 SmtUtils]: Spent 14.93s on a formula simplification. DAG size of input: 621 DAG size of output: 457 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)