/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:20:57,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:20:57,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:20:57,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-07 15:20:57,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:20:57,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:20:57,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:20:57,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:20:57,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:20:57,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:20:57,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:20:57,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:20:57,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:20:57,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:20:57,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:20:57,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:20:57,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-07 15:20:57,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 15:20:57,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 15:20:57,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 15:20:57,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 15:20:57,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 15:20:57,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 15:20:57,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 15:20:57,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 15:20:57,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:20:57,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:20:57,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:20:57,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-07 15:20:57,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:20:57,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:20:57,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:20:57,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:20:57,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:20:57,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:20:57,523 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:20:57,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:20:57,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:20:57,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:20:57,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:20:57,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:20:57,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:20:57,525 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-07 15:20:57,525 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-07 15:20:57,526 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-07 15:20:57,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:20:57,526 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-07 15:20:57,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-07 15:20:57,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-07 15:20:57,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:20:57,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:20:57,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:20:57,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:20:57,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:20:57,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:20:57,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:20:57,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:20:57,528 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-07 15:20:57,529 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-07 15:20:57,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:20:57,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-07 15:20:57,529 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:20:57,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:20:58,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:20:58,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:20:58,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:20:58,045 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:20:58,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2021-10-07 15:20:58,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11db5a231/b9b8e87007a142529aa78f8b04938f83/FLAGb7f54f695 [2021-10-07 15:20:58,729 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:20:58,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2021-10-07 15:20:58,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11db5a231/b9b8e87007a142529aa78f8b04938f83/FLAGb7f54f695 [2021-10-07 15:20:59,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11db5a231/b9b8e87007a142529aa78f8b04938f83 [2021-10-07 15:20:59,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:20:59,085 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-07 15:20:59,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:20:59,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:20:59,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:20:59,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691a4c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59, skipping insertion in model container [2021-10-07 15:20:59,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:20:59,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:20:59,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[2798,2811] [2021-10-07 15:20:59,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:20:59,457 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-07 15:20:59,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:20:59,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[2798,2811] [2021-10-07 15:20:59,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:20:59,524 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:20:59,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[2798,2811] [2021-10-07 15:20:59,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:20:59,578 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:20:59,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59 WrapperNode [2021-10-07 15:20:59,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:20:59,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:20:59,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:20:59,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:20:59,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:20:59,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:20:59,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:20:59,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:20:59,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:20:59,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:20:59,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:20:59,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:20:59,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2021-10-07 15:20:59,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:20:59,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:20:59,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-07 15:20:59,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-07 15:20:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-07 15:20:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:20:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-07 15:20:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:20:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:20:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:20:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:20:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:20:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:20:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 15:20:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:20:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:20:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:20:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-07 15:20:59,823 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 15:21:00,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:21:00,754 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-07 15:21:00,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:00 BoogieIcfgContainer [2021-10-07 15:21:00,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:21:00,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:21:00,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:21:00,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:21:00,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:59" (1/3) ... [2021-10-07 15:21:00,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae3d1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:00, skipping insertion in model container [2021-10-07 15:21:00,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (2/3) ... [2021-10-07 15:21:00,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae3d1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:00, skipping insertion in model container [2021-10-07 15:21:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:00" (3/3) ... [2021-10-07 15:21:00,769 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2021-10-07 15:21:00,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:21:00,777 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2021-10-07 15:21:00,777 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:21:00,831 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,832 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,832 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,833 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,833 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,834 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,834 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,834 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,836 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,836 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,836 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,838 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,838 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,838 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,838 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,839 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,839 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,840 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,840 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,840 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,840 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,841 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,841 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,841 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,842 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,842 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,842 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,842 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,843 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,843 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,843 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,844 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,844 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,844 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,844 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,844 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,845 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,845 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,845 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,845 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,845 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,846 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,846 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,847 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,847 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,848 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,848 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,849 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,849 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,849 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,849 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,850 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,850 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,850 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,851 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,852 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,852 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,853 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,853 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,853 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,854 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,854 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,855 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,855 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,855 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,856 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,856 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,856 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,856 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,857 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,857 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,857 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,857 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,858 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,858 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,858 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,858 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,859 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,859 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,859 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,859 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,860 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,861 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,861 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,861 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,862 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,862 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,862 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,862 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,862 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,863 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,863 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,863 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,863 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,864 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,864 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,864 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,864 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,865 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,865 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,865 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,865 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,865 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,866 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,866 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,866 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,867 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,867 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,868 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,868 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,868 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,868 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,869 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,869 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,869 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,870 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,870 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,870 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,870 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,871 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,871 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,871 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,872 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,872 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,872 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,872 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,873 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,873 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,873 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,873 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,873 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,874 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,874 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,877 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,878 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,879 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,884 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,885 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,885 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,885 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,885 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,885 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,886 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,886 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,890 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,890 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,890 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,891 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,891 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,891 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,891 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,891 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:21:00,900 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-07 15:21:00,958 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:21:00,970 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-07 15:21:00,970 INFO L340 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2021-10-07 15:21:00,992 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:21:01,005 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 276 transitions, 576 flow [2021-10-07 15:21:01,009 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 276 transitions, 576 flow [2021-10-07 15:21:01,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 260 places, 276 transitions, 576 flow [2021-10-07 15:21:01,127 INFO L129 PetriNetUnfolder]: 26/273 cut-off events. [2021-10-07 15:21:01,128 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-07 15:21:01,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 273 events. 26/273 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 405 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 207. Up to 3 conditions per place. [2021-10-07 15:21:01,147 INFO L116 LiptonReduction]: Number of co-enabled transitions 6864 [2021-10-07 15:21:36,311 INFO L131 LiptonReduction]: Checked pairs total: 9520 [2021-10-07 15:21:36,311 INFO L133 LiptonReduction]: Total number of compositions: 308 [2021-10-07 15:21:36,322 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 67 transitions, 158 flow [2021-10-07 15:21:36,438 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2348 states, 1844 states have (on average 4.795553145336226) internal successors, (8843), 2347 states have internal predecessors, (8843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 2348 states, 1844 states have (on average 4.795553145336226) internal successors, (8843), 2347 states have internal predecessors, (8843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:21:36,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:21:36,457 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:21:36,457 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 43 more)] === [2021-10-07 15:21:36,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:21:36,464 INFO L82 PathProgramCache]: Analyzing trace with hash 34373, now seen corresponding path program 1 times [2021-10-07 15:21:36,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:21:36,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392764735] [2021-10-07 15:21:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:21:36,480 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:21:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:21:36,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:21:36,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-07 15:21:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:21:36,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:21:36,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:21:37,037 INFO L354 Elim1Store]: treesize reduction 219, result has 23.4 percent of original size [2021-10-07 15:21:37,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 72 [2021-10-07 15:21:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:37,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:21:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:37,250 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:21:37,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392764735] [2021-10-07 15:21:37,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1392764735] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:21:37,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:21:37,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:21:37,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861448392] [2021-10-07 15:21:37,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:21:37,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:21:37,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:21:37,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:21:37,302 INFO L87 Difference]: Start difference. First operand has 2348 states, 1844 states have (on average 4.795553145336226) internal successors, (8843), 2347 states have internal predecessors, (8843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:39,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:21:39,102 INFO L93 Difference]: Finished difference Result 7033 states and 26518 transitions. [2021-10-07 15:21:39,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:21:39,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:21:39,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:21:39,206 INFO L225 Difference]: With dead ends: 7033 [2021-10-07 15:21:39,206 INFO L226 Difference]: Without dead ends: 7033 [2021-10-07 15:21:39,207 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 68.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:21:39,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7033 states. [2021-10-07 15:21:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7033 to 2353. [2021-10-07 15:21:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2353 states, 1850 states have (on average 4.791351351351351) internal successors, (8864), 2352 states have internal predecessors, (8864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2353 states and 8864 transitions. [2021-10-07 15:21:39,456 INFO L78 Accepts]: Start accepts. Automaton has 2353 states and 8864 transitions. Word has length 2 [2021-10-07 15:21:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:21:39,457 INFO L470 AbstractCegarLoop]: Abstraction has 2353 states and 8864 transitions. [2021-10-07 15:21:39,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 8864 transitions. [2021-10-07 15:21:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:21:39,458 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:21:39,458 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:21:39,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-07 15:21:39,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:21:39,673 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 43 more)] === [2021-10-07 15:21:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:21:39,675 INFO L82 PathProgramCache]: Analyzing trace with hash 34372, now seen corresponding path program 1 times [2021-10-07 15:21:39,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:21:39,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323363044] [2021-10-07 15:21:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:21:39,677 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:21:39,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:21:39,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:21:39,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-07 15:21:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:21:39,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:21:39,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:21:39,801 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-07 15:21:39,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-07 15:21:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:39,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:21:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:39,861 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:21:39,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323363044] [2021-10-07 15:21:39,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323363044] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:21:39,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:21:39,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 15:21:39,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37256109] [2021-10-07 15:21:39,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:21:39,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:21:39,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:21:39,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:21:39,865 INFO L87 Difference]: Start difference. First operand 2353 states and 8864 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:40,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:21:40,235 INFO L93 Difference]: Finished difference Result 2350 states and 8855 transitions. [2021-10-07 15:21:40,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:21:40,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:21:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:21:40,264 INFO L225 Difference]: With dead ends: 2350 [2021-10-07 15:21:40,264 INFO L226 Difference]: Without dead ends: 2350 [2021-10-07 15:21:40,265 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:21:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2021-10-07 15:21:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 2350. [2021-10-07 15:21:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2350 states, 1850 states have (on average 4.786486486486487) internal successors, (8855), 2349 states have internal predecessors, (8855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 8855 transitions. [2021-10-07 15:21:40,389 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 8855 transitions. Word has length 2 [2021-10-07 15:21:40,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:21:40,389 INFO L470 AbstractCegarLoop]: Abstraction has 2350 states and 8855 transitions. [2021-10-07 15:21:40,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 8855 transitions. [2021-10-07 15:21:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:21:40,390 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:21:40,392 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 15:21:40,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-07 15:21:40,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:21:40,606 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 43 more)] === [2021-10-07 15:21:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:21:40,606 INFO L82 PathProgramCache]: Analyzing trace with hash 33252485, now seen corresponding path program 1 times [2021-10-07 15:21:40,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:21:40,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705998703] [2021-10-07 15:21:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:21:40,608 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:21:40,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:21:40,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:21:40,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-07 15:21:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:21:40,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 15:21:40,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:21:40,941 INFO L354 Elim1Store]: treesize reduction 219, result has 23.4 percent of original size [2021-10-07 15:21:40,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 72 [2021-10-07 15:21:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:41,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:21:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:41,469 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:21:41,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705998703] [2021-10-07 15:21:41,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705998703] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:21:41,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:21:41,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-07 15:21:41,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501123262] [2021-10-07 15:21:41,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 15:21:41,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:21:41,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 15:21:41,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:21:41,472 INFO L87 Difference]: Start difference. First operand 2350 states and 8855 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:21:47,094 INFO L93 Difference]: Finished difference Result 14044 states and 53014 transitions. [2021-10-07 15:21:47,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:21:47,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-07 15:21:47,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:21:47,225 INFO L225 Difference]: With dead ends: 14044 [2021-10-07 15:21:47,225 INFO L226 Difference]: Without dead ends: 14044 [2021-10-07 15:21:47,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 525.4ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:21:47,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14044 states. [2021-10-07 15:21:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14044 to 2359. [2021-10-07 15:21:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2359 states, 1859 states have (on average 4.776223776223776) internal successors, (8879), 2358 states have internal predecessors, (8879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2359 states and 8879 transitions. [2021-10-07 15:21:47,565 INFO L78 Accepts]: Start accepts. Automaton has 2359 states and 8879 transitions. Word has length 4 [2021-10-07 15:21:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:21:47,566 INFO L470 AbstractCegarLoop]: Abstraction has 2359 states and 8879 transitions. [2021-10-07 15:21:47,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 8879 transitions. [2021-10-07 15:21:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:21:47,567 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:21:47,567 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-07 15:21:47,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-07 15:21:47,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:21:47,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 43 more)] === [2021-10-07 15:21:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:21:47,781 INFO L82 PathProgramCache]: Analyzing trace with hash 33303404, now seen corresponding path program 1 times [2021-10-07 15:21:47,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:21:47,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23097402] [2021-10-07 15:21:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:21:47,783 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:21:47,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:21:47,784 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:21:47,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-07 15:21:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:21:47,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:21:47,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:21:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:47,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:21:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:47,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:21:47,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23097402] [2021-10-07 15:21:47,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23097402] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:21:47,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:21:47,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-07 15:21:47,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176057934] [2021-10-07 15:21:47,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:21:47,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:21:47,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:21:47,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:21:47,941 INFO L87 Difference]: Start difference. First operand 2359 states and 8879 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:48,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:21:48,089 INFO L93 Difference]: Finished difference Result 2359 states and 8869 transitions. [2021-10-07 15:21:48,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:21:48,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-07 15:21:48,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:21:48,112 INFO L225 Difference]: With dead ends: 2359 [2021-10-07 15:21:48,113 INFO L226 Difference]: Without dead ends: 2359 [2021-10-07 15:21:48,113 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:21:48,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2359 states. [2021-10-07 15:21:48,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2359 to 2359. [2021-10-07 15:21:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2359 states, 1859 states have (on average 4.770844540075309) internal successors, (8869), 2358 states have internal predecessors, (8869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2359 states and 8869 transitions. [2021-10-07 15:21:48,207 INFO L78 Accepts]: Start accepts. Automaton has 2359 states and 8869 transitions. Word has length 4 [2021-10-07 15:21:48,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:21:48,208 INFO L470 AbstractCegarLoop]: Abstraction has 2359 states and 8869 transitions. [2021-10-07 15:21:48,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 8869 transitions. [2021-10-07 15:21:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:21:48,209 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:21:48,209 INFO L512 BasicCegarLoop]: trace histogram [5, 1, 1] [2021-10-07 15:21:48,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-07 15:21:48,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:21:48,422 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 43 more)] === [2021-10-07 15:21:48,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:21:48,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1505836873, now seen corresponding path program 2 times [2021-10-07 15:21:48,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:21:48,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974432924] [2021-10-07 15:21:48,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:21:48,425 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:21:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:21:48,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:21:48,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-07 15:21:48,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-07 15:21:48,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:21:48,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-07 15:21:48,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:21:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:48,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:21:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:21:48,899 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:21:48,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974432924] [2021-10-07 15:21:48,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974432924] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:21:48,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:21:48,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-07 15:21:48,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705307180] [2021-10-07 15:21:48,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-07 15:21:48,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:21:48,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-07 15:21:48,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-10-07 15:21:48,902 INFO L87 Difference]: Start difference. First operand 2359 states and 8869 transitions. Second operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:49,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:21:49,336 INFO L93 Difference]: Finished difference Result 2356 states and 8848 transitions. [2021-10-07 15:21:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-07 15:21:49,337 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:21:49,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:21:49,356 INFO L225 Difference]: With dead ends: 2356 [2021-10-07 15:21:49,356 INFO L226 Difference]: Without dead ends: 2356 [2021-10-07 15:21:49,357 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 216.7ms TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-10-07 15:21:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2021-10-07 15:21:49,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2356. [2021-10-07 15:21:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 1859 states have (on average 4.759548144163529) internal successors, (8848), 2355 states have internal predecessors, (8848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 8848 transitions. [2021-10-07 15:21:49,456 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 8848 transitions. Word has length 7 [2021-10-07 15:21:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:21:49,456 INFO L470 AbstractCegarLoop]: Abstraction has 2356 states and 8848 transitions. [2021-10-07 15:21:49,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 8848 transitions. [2021-10-07 15:21:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-07 15:21:49,459 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:21:49,459 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1] [2021-10-07 15:21:49,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-07 15:21:49,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:21:49,674 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 43 more)] === [2021-10-07 15:21:49,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:21:49,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1780097388, now seen corresponding path program 1 times [2021-10-07 15:21:49,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:21:49,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313539553] [2021-10-07 15:21:49,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:21:49,677 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:21:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:21:49,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:21:49,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-07 15:21:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:21:50,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-07 15:21:50,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:21:50,182 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-10-07 15:21:50,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 56 [2021-10-07 15:21:50,949 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:21:50,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 87 [2021-10-07 15:21:52,380 INFO L354 Elim1Store]: treesize reduction 135, result has 23.3 percent of original size [2021-10-07 15:21:52,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 137 [2021-10-07 15:21:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-07 15:21:53,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:21:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-07 15:21:53,908 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:21:53,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313539553] [2021-10-07 15:21:53,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313539553] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:21:53,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:21:53,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:21:53,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697476458] [2021-10-07 15:21:53,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:21:53,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:21:53,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:21:53,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:21:53,917 INFO L87 Difference]: Start difference. First operand 2356 states and 8848 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:54,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:21:54,553 INFO L93 Difference]: Finished difference Result 1907 states and 6943 transitions. [2021-10-07 15:21:54,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:21:54,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-07 15:21:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:21:54,565 INFO L225 Difference]: With dead ends: 1907 [2021-10-07 15:21:54,565 INFO L226 Difference]: Without dead ends: 1907 [2021-10-07 15:21:54,570 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 470.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:21:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2021-10-07 15:21:54,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1907. [2021-10-07 15:21:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1907 states, 1536 states have (on average 4.520182291666667) internal successors, (6943), 1906 states have internal predecessors, (6943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 6943 transitions. [2021-10-07 15:21:54,641 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 6943 transitions. Word has length 19 [2021-10-07 15:21:54,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:21:54,642 INFO L470 AbstractCegarLoop]: Abstraction has 1907 states and 6943 transitions. [2021-10-07 15:21:54,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:21:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 6943 transitions. [2021-10-07 15:21:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-07 15:21:54,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:21:54,643 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1] [2021-10-07 15:21:54,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-07 15:21:54,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:21:54,858 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 43 more)] === [2021-10-07 15:21:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:21:54,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1780097389, now seen corresponding path program 1 times [2021-10-07 15:21:54,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:21:54,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068560872] [2021-10-07 15:21:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:21:54,862 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:21:54,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:21:54,864 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:21:54,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-07 15:21:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:21:55,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-07 15:21:55,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:21:55,624 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:21:55,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-07 15:21:55,643 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 15:21:55,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 96 [2021-10-07 15:22:02,113 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:22:02,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 99 [2021-10-07 15:22:30,595 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:22:30,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068560872] [2021-10-07 15:22:30,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:22:30,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1335001195] [2021-10-07 15:22:30,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:22:30,597 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 15:22:30,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 15:22:30,598 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 15:22:30,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-07 15:22:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:22:32,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 15:22:32,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:22:33,252 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:22:33,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-07 15:22:33,264 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 15:22:33,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 96 [2021-10-07 15:22:38,601 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:22:38,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 96 [2021-10-07 15:23:02,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:23:02,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200892503] [2021-10-07 15:23:02,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:23:02,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:23:02,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:23:02,790 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:23:02,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-07 15:23:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:23:03,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-07 15:23:03,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:23:03,441 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-07 15:23:03,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 104 [2021-10-07 15:23:03,459 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-07 15:23:03,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 110 treesize of output 104 [2021-10-07 15:23:04,595 INFO L354 Elim1Store]: treesize reduction 88, result has 29.6 percent of original size [2021-10-07 15:23:04,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 80 [2021-10-07 15:23:15,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:23:15,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:23:15,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-07 15:23:15,491 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-07 15:23:15,492 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-07 15:23:15,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-07 15:23:15,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-07 15:23:15,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-07 15:23:15,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-07 15:23:15,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-07 15:23:15,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-07 15:23:15,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-07 15:23:15,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-07 15:23:15,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-07 15:23:15,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-07 15:23:15,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-07 15:23:15,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2REQUIRES_VIOLATION [2021-10-07 15:23:15,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3REQUIRES_VIOLATION [2021-10-07 15:23:15,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-07 15:23:15,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-07 15:23:15,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-07 15:23:15,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-07 15:23:15,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-07 15:23:15,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-07 15:23:15,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-07 15:23:15,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-07 15:23:15,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-07 15:23:15,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-07 15:23:15,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 15:23:15,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 15:23:15,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 15:23:15,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 15:23:15,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-07 15:23:15,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-07 15:23:15,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-07 15:23:15,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-07 15:23:15,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-07 15:23:15,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-07 15:23:15,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-07 15:23:15,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-07 15:23:15,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-07 15:23:15,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-07 15:23:15,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-07 15:23:15,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2REQUIRES_VIOLATION [2021-10-07 15:23:15,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3REQUIRES_VIOLATION [2021-10-07 15:23:15,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-07 15:23:15,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-07 15:23:15,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-07 15:23:16,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:23:16,128 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 15:23:16,128 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 15:23:16,129 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transformations.BlockEncodingBacktranslator.translateProgramExecution(BlockEncodingBacktranslator.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:589) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-07 15:23:16,134 INFO L168 Benchmark]: Toolchain (without parser) took 137056.63 ms. Allocated memory was 164.6 MB in the beginning and 244.3 MB in the end (delta: 79.7 MB). Free memory was 140.2 MB in the beginning and 89.9 MB in the end (delta: 50.3 MB). Peak memory consumption was 130.6 MB. Max. memory is 8.0 GB. [2021-10-07 15:23:16,135 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 134.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:23:16,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.02 ms. Allocated memory is still 164.6 MB. Free memory was 139.8 MB in the beginning and 126.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-07 15:23:16,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.86 ms. Allocated memory is still 164.6 MB. Free memory was 126.2 MB in the beginning and 124.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:23:16,136 INFO L168 Benchmark]: Boogie Preprocessor took 51.04 ms. Allocated memory is still 164.6 MB. Free memory was 124.0 MB in the beginning and 122.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:23:16,136 INFO L168 Benchmark]: RCFGBuilder took 1068.08 ms. Allocated memory is still 164.6 MB. Free memory was 122.1 MB in the beginning and 133.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-07 15:23:16,137 INFO L168 Benchmark]: TraceAbstraction took 135373.69 ms. Allocated memory was 164.6 MB in the beginning and 244.3 MB in the end (delta: 79.7 MB). Free memory was 133.0 MB in the beginning and 89.9 MB in the end (delta: 43.1 MB). Peak memory consumption was 123.3 MB. Max. memory is 8.0 GB. [2021-10-07 15:23:16,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 134.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 490.02 ms. Allocated memory is still 164.6 MB. Free memory was 139.8 MB in the beginning and 126.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.86 ms. Allocated memory is still 164.6 MB. Free memory was 126.2 MB in the beginning and 124.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 51.04 ms. Allocated memory is still 164.6 MB. Free memory was 124.0 MB in the beginning and 122.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1068.08 ms. Allocated memory is still 164.6 MB. Free memory was 122.1 MB in the beginning and 133.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 135373.69 ms. Allocated memory was 164.6 MB in the beginning and 244.3 MB in the end (delta: 79.7 MB). Free memory was 133.0 MB in the beginning and 89.9 MB in the end (delta: 43.1 MB). Peak memory consumption was 123.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35302.3ms, 260 PlacesBefore, 69 PlacesAfterwards, 276 TransitionsBefore, 67 TransitionsAfterwards, 6864 CoEnabledTransitionPairs, 8 FixpointIterations, 154 TrivialSequentialCompositions, 97 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 13 ConcurrentYvCompositions, 18 ChoiceCompositions, 308 TotalNumberOfCompositions, 9520 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7814, positive: 7724, positive conditional: 0, positive unconditional: 7724, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4413, positive: 4386, positive conditional: 0, positive unconditional: 4386, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4413, positive: 4386, positive conditional: 0, positive unconditional: 4386, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1783, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1783, negative conditional: 0, negative unconditional: 1783, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7814, positive: 3338, positive conditional: 0, positive unconditional: 3338, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 4413, unknown conditional: 0, unknown unconditional: 4413] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 272, Positive conditional cache size: 0, Positive unconditional cache size: 272, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transformations.BlockEncodingBacktranslator.translateProgramExecution(BlockEncodingBacktranslator.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-07 15:23:16,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...