/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 00:32:30,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 00:32:30,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 00:32:30,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 00:32:30,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 00:32:30,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 00:32:30,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 00:32:30,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 00:32:30,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 00:32:30,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 00:32:30,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 00:32:30,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 00:32:30,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 00:32:30,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 00:32:30,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 00:32:30,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 00:32:30,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 00:32:30,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 00:32:30,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 00:32:30,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 00:32:30,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 00:32:30,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 00:32:30,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 00:32:30,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 00:32:30,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 00:32:30,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 00:32:30,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 00:32:30,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 00:32:30,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 00:32:30,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 00:32:30,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 00:32:30,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 00:32:30,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 00:32:30,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 00:32:30,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 00:32:30,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 00:32:30,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 00:32:30,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 00:32:30,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 00:32:30,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 00:32:30,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 00:32:30,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-01-19 00:32:30,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 00:32:30,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 00:32:30,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 00:32:30,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 00:32:30,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 00:32:30,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 00:32:30,787 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 00:32:30,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 00:32:30,787 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 00:32:30,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 00:32:30,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 00:32:30,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 00:32:30,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 00:32:30,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 00:32:30,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 00:32:30,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 00:32:30,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 00:32:30,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 00:32:30,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 00:32:30,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 00:32:30,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 00:32:30,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 00:32:30,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 00:32:30,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:32:30,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 00:32:30,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 00:32:30,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 00:32:30,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 00:32:30,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 00:32:30,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 00:32:30,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 00:32:30,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 00:32:30,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 00:32:30,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 00:32:30,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 00:32:30,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 00:32:30,956 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 00:32:30,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2022-01-19 00:32:31,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff98d676a/a7dd133809aa4b348d16e14bbd9d0309/FLAG3c195f1b3 [2022-01-19 00:32:31,408 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 00:32:31,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2022-01-19 00:32:31,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff98d676a/a7dd133809aa4b348d16e14bbd9d0309/FLAG3c195f1b3 [2022-01-19 00:32:31,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff98d676a/a7dd133809aa4b348d16e14bbd9d0309 [2022-01-19 00:32:31,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 00:32:31,431 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 00:32:31,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 00:32:31,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 00:32:31,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 00:32:31,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271006f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31, skipping insertion in model container [2022-01-19 00:32:31,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 00:32:31,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 00:32:31,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-01-19 00:32:31,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:32:31,692 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 00:32:31,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-01-19 00:32:31,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:32:31,750 INFO L208 MainTranslator]: Completed translation [2022-01-19 00:32:31,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31 WrapperNode [2022-01-19 00:32:31,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 00:32:31,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 00:32:31,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 00:32:31,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 00:32:31,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,798 INFO L137 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 353 [2022-01-19 00:32:31,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 00:32:31,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 00:32:31,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 00:32:31,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 00:32:31,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 00:32:31,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 00:32:31,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 00:32:31,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 00:32:31,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (1/1) ... [2022-01-19 00:32:31,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:32:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:31,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 00:32:31,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 00:32:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 00:32:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 00:32:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 00:32:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 00:32:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 00:32:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 00:32:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 00:32:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 00:32:31,936 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 00:32:32,011 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 00:32:32,013 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 00:32:32,478 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 00:32:32,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 00:32:32,846 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 00:32:32,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:32:32 BoogieIcfgContainer [2022-01-19 00:32:32,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 00:32:32,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 00:32:32,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 00:32:32,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 00:32:32,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:32:31" (1/3) ... [2022-01-19 00:32:32,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3861344a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:32:32, skipping insertion in model container [2022-01-19 00:32:32,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:31" (2/3) ... [2022-01-19 00:32:32,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3861344a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:32:32, skipping insertion in model container [2022-01-19 00:32:32,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:32:32" (3/3) ... [2022-01-19 00:32:32,855 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2022-01-19 00:32:32,858 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 00:32:32,858 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 00:32:32,858 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 00:32:32,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,912 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,917 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,922 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,927 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,930 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,940 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,940 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,940 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,940 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:32,949 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 00:32:32,988 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 00:32:32,993 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2022-01-19 00:32:32,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 00:32:33,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 133 transitions, 290 flow [2022-01-19 00:32:33,061 INFO L129 PetriNetUnfolder]: 2/130 cut-off events. [2022-01-19 00:32:33,061 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:32:33,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 130 events. 2/130 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2022-01-19 00:32:33,063 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 133 transitions, 290 flow [2022-01-19 00:32:33,067 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 119 transitions, 256 flow [2022-01-19 00:32:33,095 INFO L129 PetriNetUnfolder]: 2/118 cut-off events. [2022-01-19 00:32:33,095 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:32:33,095 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:33,096 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:33,096 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:33,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:33,100 INFO L85 PathProgramCache]: Analyzing trace with hash -64327517, now seen corresponding path program 1 times [2022-01-19 00:32:33,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:33,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142133770] [2022-01-19 00:32:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:33,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:34,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:34,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142133770] [2022-01-19 00:32:34,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142133770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:34,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:34,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 00:32:34,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228926723] [2022-01-19 00:32:34,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:34,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 00:32:34,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:34,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 00:32:34,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:34,745 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 00:32:34,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 256 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:34,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:34,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 00:32:34,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:36,144 INFO L129 PetriNetUnfolder]: 14/222 cut-off events. [2022-01-19 00:32:36,145 INFO L130 PetriNetUnfolder]: For 55/61 co-relation queries the response was YES. [2022-01-19 00:32:36,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 222 events. 14/222 cut-off events. For 55/61 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 472 event pairs, 7 based on Foata normal form. 7/218 useless extension candidates. Maximal degree in co-relation 136. Up to 48 conditions per place. [2022-01-19 00:32:36,149 INFO L132 encePairwiseOnDemand]: 120/133 looper letters, 57 selfloop transitions, 2 changer transitions 17/147 dead transitions. [2022-01-19 00:32:36,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 147 transitions, 488 flow [2022-01-19 00:32:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:32:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:32:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1175 transitions. [2022-01-19 00:32:36,168 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6795835743204164 [2022-01-19 00:32:36,168 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1175 transitions. [2022-01-19 00:32:36,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1175 transitions. [2022-01-19 00:32:36,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:36,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1175 transitions. [2022-01-19 00:32:36,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 90.38461538461539) internal successors, (1175), 13 states have internal predecessors, (1175), 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) [2022-01-19 00:32:36,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 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) [2022-01-19 00:32:36,197 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 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) [2022-01-19 00:32:36,199 INFO L186 Difference]: Start difference. First operand has 127 places, 119 transitions, 256 flow. Second operand 13 states and 1175 transitions. [2022-01-19 00:32:36,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 147 transitions, 488 flow [2022-01-19 00:32:36,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 147 transitions, 460 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 00:32:36,204 INFO L242 Difference]: Finished difference. Result has 141 places, 116 transitions, 261 flow [2022-01-19 00:32:36,206 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=261, PETRI_PLACES=141, PETRI_TRANSITIONS=116} [2022-01-19 00:32:36,208 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 14 predicate places. [2022-01-19 00:32:36,208 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 116 transitions, 261 flow [2022-01-19 00:32:36,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:36,209 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:36,209 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:36,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 00:32:36,209 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:36,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1680753933, now seen corresponding path program 2 times [2022-01-19 00:32:36,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:36,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004096502] [2022-01-19 00:32:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:36,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:37,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:37,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004096502] [2022-01-19 00:32:37,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004096502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:37,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:37,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 00:32:37,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948772026] [2022-01-19 00:32:37,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:37,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 00:32:37,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:37,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 00:32:37,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:37,079 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 00:32:37,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 116 transitions, 261 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:37,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:37,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 00:32:37,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:37,916 INFO L129 PetriNetUnfolder]: 13/251 cut-off events. [2022-01-19 00:32:37,917 INFO L130 PetriNetUnfolder]: For 64/72 co-relation queries the response was YES. [2022-01-19 00:32:37,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 251 events. 13/251 cut-off events. For 64/72 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 715 event pairs, 5 based on Foata normal form. 2/247 useless extension candidates. Maximal degree in co-relation 404. Up to 42 conditions per place. [2022-01-19 00:32:37,918 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 57 selfloop transitions, 3 changer transitions 12/143 dead transitions. [2022-01-19 00:32:37,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 143 transitions, 498 flow [2022-01-19 00:32:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:32:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:32:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 912 transitions. [2022-01-19 00:32:37,922 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6857142857142857 [2022-01-19 00:32:37,922 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 912 transitions. [2022-01-19 00:32:37,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 912 transitions. [2022-01-19 00:32:37,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:37,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 912 transitions. [2022-01-19 00:32:37,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 91.2) internal successors, (912), 10 states have internal predecessors, (912), 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) [2022-01-19 00:32:37,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:37,927 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:37,927 INFO L186 Difference]: Start difference. First operand has 141 places, 116 transitions, 261 flow. Second operand 10 states and 912 transitions. [2022-01-19 00:32:37,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 143 transitions, 498 flow [2022-01-19 00:32:37,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 143 transitions, 461 flow, removed 17 selfloop flow, removed 7 redundant places. [2022-01-19 00:32:37,934 INFO L242 Difference]: Finished difference. Result has 140 places, 117 transitions, 278 flow [2022-01-19 00:32:37,934 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=278, PETRI_PLACES=140, PETRI_TRANSITIONS=117} [2022-01-19 00:32:37,935 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 13 predicate places. [2022-01-19 00:32:37,935 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 117 transitions, 278 flow [2022-01-19 00:32:37,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:37,935 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:37,935 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:37,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 00:32:37,936 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:37,936 INFO L85 PathProgramCache]: Analyzing trace with hash 450472771, now seen corresponding path program 3 times [2022-01-19 00:32:37,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:37,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389661726] [2022-01-19 00:32:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:37,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:38,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:38,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389661726] [2022-01-19 00:32:38,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389661726] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:38,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:38,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 00:32:38,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360254802] [2022-01-19 00:32:38,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:38,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 00:32:38,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:38,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 00:32:38,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:38,982 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 00:32:38,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 117 transitions, 278 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:38,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:38,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 00:32:38,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:40,191 INFO L129 PetriNetUnfolder]: 11/228 cut-off events. [2022-01-19 00:32:40,192 INFO L130 PetriNetUnfolder]: For 96/99 co-relation queries the response was YES. [2022-01-19 00:32:40,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 228 events. 11/228 cut-off events. For 96/99 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 548 event pairs, 3 based on Foata normal form. 1/225 useless extension candidates. Maximal degree in co-relation 390. Up to 43 conditions per place. [2022-01-19 00:32:40,193 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 57 selfloop transitions, 3 changer transitions 14/145 dead transitions. [2022-01-19 00:32:40,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 533 flow [2022-01-19 00:32:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:32:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:32:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 912 transitions. [2022-01-19 00:32:40,195 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6857142857142857 [2022-01-19 00:32:40,195 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 912 transitions. [2022-01-19 00:32:40,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 912 transitions. [2022-01-19 00:32:40,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:40,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 912 transitions. [2022-01-19 00:32:40,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 91.2) internal successors, (912), 10 states have internal predecessors, (912), 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) [2022-01-19 00:32:40,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:40,199 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:40,199 INFO L186 Difference]: Start difference. First operand has 140 places, 117 transitions, 278 flow. Second operand 10 states and 912 transitions. [2022-01-19 00:32:40,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 533 flow [2022-01-19 00:32:40,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 145 transitions, 493 flow, removed 18 selfloop flow, removed 7 redundant places. [2022-01-19 00:32:40,203 INFO L242 Difference]: Finished difference. Result has 144 places, 117 transitions, 288 flow [2022-01-19 00:32:40,203 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=288, PETRI_PLACES=144, PETRI_TRANSITIONS=117} [2022-01-19 00:32:40,204 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 17 predicate places. [2022-01-19 00:32:40,204 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 117 transitions, 288 flow [2022-01-19 00:32:40,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:40,204 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:40,204 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:40,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 00:32:40,204 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:40,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:40,205 INFO L85 PathProgramCache]: Analyzing trace with hash 763523587, now seen corresponding path program 4 times [2022-01-19 00:32:40,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:40,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894823123] [2022-01-19 00:32:40,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:40,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:41,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:41,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894823123] [2022-01-19 00:32:41,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894823123] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:41,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:41,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 00:32:41,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797471424] [2022-01-19 00:32:41,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:41,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 00:32:41,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:41,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 00:32:41,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:41,383 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 00:32:41,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 117 transitions, 288 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:41,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:41,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 00:32:41,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:42,366 INFO L129 PetriNetUnfolder]: 8/184 cut-off events. [2022-01-19 00:32:42,366 INFO L130 PetriNetUnfolder]: For 128/128 co-relation queries the response was YES. [2022-01-19 00:32:42,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 184 events. 8/184 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 290 event pairs, 4 based on Foata normal form. 1/182 useless extension candidates. Maximal degree in co-relation 324. Up to 37 conditions per place. [2022-01-19 00:32:42,367 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 43 selfloop transitions, 1 changer transitions 17/132 dead transitions. [2022-01-19 00:32:42,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 132 transitions, 471 flow [2022-01-19 00:32:42,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:32:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:32:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 901 transitions. [2022-01-19 00:32:42,372 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6774436090225564 [2022-01-19 00:32:42,372 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 901 transitions. [2022-01-19 00:32:42,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 901 transitions. [2022-01-19 00:32:42,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:42,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 901 transitions. [2022-01-19 00:32:42,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 90.1) internal successors, (901), 10 states have internal predecessors, (901), 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) [2022-01-19 00:32:42,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:42,376 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:42,376 INFO L186 Difference]: Start difference. First operand has 144 places, 117 transitions, 288 flow. Second operand 10 states and 901 transitions. [2022-01-19 00:32:42,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 132 transitions, 471 flow [2022-01-19 00:32:42,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 132 transitions, 436 flow, removed 15 selfloop flow, removed 9 redundant places. [2022-01-19 00:32:42,379 INFO L242 Difference]: Finished difference. Result has 145 places, 115 transitions, 269 flow [2022-01-19 00:32:42,379 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=269, PETRI_PLACES=145, PETRI_TRANSITIONS=115} [2022-01-19 00:32:42,380 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 18 predicate places. [2022-01-19 00:32:42,380 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 115 transitions, 269 flow [2022-01-19 00:32:42,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:42,380 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:42,380 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:42,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 00:32:42,381 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:42,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:42,381 INFO L85 PathProgramCache]: Analyzing trace with hash 619238341, now seen corresponding path program 5 times [2022-01-19 00:32:42,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:42,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904131349] [2022-01-19 00:32:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:42,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:43,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:43,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904131349] [2022-01-19 00:32:43,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904131349] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:43,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:43,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 00:32:43,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049567582] [2022-01-19 00:32:43,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:43,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 00:32:43,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:43,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 00:32:43,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:43,862 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 00:32:43,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 115 transitions, 269 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:43,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:43,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 00:32:43,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:45,318 INFO L129 PetriNetUnfolder]: 1/146 cut-off events. [2022-01-19 00:32:45,318 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-01-19 00:32:45,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 146 events. 1/146 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 114 event pairs, 0 based on Foata normal form. 1/147 useless extension candidates. Maximal degree in co-relation 239. Up to 32 conditions per place. [2022-01-19 00:32:45,319 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 43 selfloop transitions, 1 changer transitions 13/128 dead transitions. [2022-01-19 00:32:45,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 128 transitions, 440 flow [2022-01-19 00:32:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:32:45,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:32:45,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 898 transitions. [2022-01-19 00:32:45,321 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.675187969924812 [2022-01-19 00:32:45,321 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 898 transitions. [2022-01-19 00:32:45,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 898 transitions. [2022-01-19 00:32:45,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:45,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 898 transitions. [2022-01-19 00:32:45,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 89.8) internal successors, (898), 10 states have internal predecessors, (898), 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) [2022-01-19 00:32:45,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:45,326 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:45,326 INFO L186 Difference]: Start difference. First operand has 145 places, 115 transitions, 269 flow. Second operand 10 states and 898 transitions. [2022-01-19 00:32:45,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 128 transitions, 440 flow [2022-01-19 00:32:45,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 128 transitions, 392 flow, removed 16 selfloop flow, removed 13 redundant places. [2022-01-19 00:32:45,330 INFO L242 Difference]: Finished difference. Result has 141 places, 115 transitions, 261 flow [2022-01-19 00:32:45,330 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=261, PETRI_PLACES=141, PETRI_TRANSITIONS=115} [2022-01-19 00:32:45,330 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 14 predicate places. [2022-01-19 00:32:45,331 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 115 transitions, 261 flow [2022-01-19 00:32:45,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:45,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:45,331 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:45,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 00:32:45,331 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:45,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:45,332 INFO L85 PathProgramCache]: Analyzing trace with hash 231083089, now seen corresponding path program 6 times [2022-01-19 00:32:45,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:45,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88389515] [2022-01-19 00:32:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:45,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:46,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:46,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88389515] [2022-01-19 00:32:46,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88389515] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:46,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:46,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 00:32:46,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116271259] [2022-01-19 00:32:46,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:46,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 00:32:46,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:46,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 00:32:46,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:46,508 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 00:32:46,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 115 transitions, 261 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:46,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:46,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 00:32:46,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:47,960 INFO L129 PetriNetUnfolder]: 1/119 cut-off events. [2022-01-19 00:32:47,960 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-01-19 00:32:47,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 119 events. 1/119 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 1 based on Foata normal form. 1/119 useless extension candidates. Maximal degree in co-relation 186. Up to 34 conditions per place. [2022-01-19 00:32:47,961 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2022-01-19 00:32:47,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 113 transitions, 347 flow [2022-01-19 00:32:47,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:32:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:32:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 885 transitions. [2022-01-19 00:32:47,962 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6654135338345865 [2022-01-19 00:32:47,963 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 885 transitions. [2022-01-19 00:32:47,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 885 transitions. [2022-01-19 00:32:47,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:47,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 885 transitions. [2022-01-19 00:32:47,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.5) internal successors, (885), 10 states have internal predecessors, (885), 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) [2022-01-19 00:32:47,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:47,966 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 00:32:47,966 INFO L186 Difference]: Start difference. First operand has 141 places, 115 transitions, 261 flow. Second operand 10 states and 885 transitions. [2022-01-19 00:32:47,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 113 transitions, 347 flow [2022-01-19 00:32:47,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 113 transitions, 333 flow, removed 6 selfloop flow, removed 7 redundant places. [2022-01-19 00:32:47,968 INFO L242 Difference]: Finished difference. Result has 133 places, 0 transitions, 0 flow [2022-01-19 00:32:47,968 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=133, PETRI_TRANSITIONS=0} [2022-01-19 00:32:47,970 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 6 predicate places. [2022-01-19 00:32:47,971 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 0 transitions, 0 flow [2022-01-19 00:32:47,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 00:32:47,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-19 00:32:47,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-19 00:32:47,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-19 00:32:47,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-19 00:32:47,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 00:32:47,976 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-01-19 00:32:47,977 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 00:32:47,977 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 00:32:47,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 12:32:47 BasicIcfg [2022-01-19 00:32:47,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 00:32:47,984 INFO L158 Benchmark]: Toolchain (without parser) took 16552.22ms. Allocated memory was 383.8MB in the beginning and 918.6MB in the end (delta: 534.8MB). Free memory was 326.4MB in the beginning and 473.2MB in the end (delta: -146.8MB). Peak memory consumption was 389.9MB. Max. memory is 16.0GB. [2022-01-19 00:32:47,984 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 383.8MB. Free memory is still 342.7MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 00:32:47,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.77ms. Allocated memory was 383.8MB in the beginning and 551.6MB in the end (delta: 167.8MB). Free memory was 326.3MB in the beginning and 519.7MB in the end (delta: -193.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. [2022-01-19 00:32:47,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.38ms. Allocated memory is still 551.6MB. Free memory was 519.7MB in the beginning and 516.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 00:32:47,989 INFO L158 Benchmark]: Boogie Preprocessor took 33.61ms. Allocated memory is still 551.6MB. Free memory was 516.8MB in the beginning and 514.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 00:32:47,990 INFO L158 Benchmark]: RCFGBuilder took 1015.24ms. Allocated memory is still 551.6MB. Free memory was 514.7MB in the beginning and 416.2MB in the end (delta: 98.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.0GB. [2022-01-19 00:32:47,990 INFO L158 Benchmark]: TraceAbstraction took 15132.76ms. Allocated memory was 551.6MB in the beginning and 918.6MB in the end (delta: 367.0MB). Free memory was 416.2MB in the beginning and 473.2MB in the end (delta: -57.0MB). Peak memory consumption was 313.1MB. Max. memory is 16.0GB. [2022-01-19 00:32:47,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 383.8MB. Free memory is still 342.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 317.77ms. Allocated memory was 383.8MB in the beginning and 551.6MB in the end (delta: 167.8MB). Free memory was 326.3MB in the beginning and 519.7MB in the end (delta: -193.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.38ms. Allocated memory is still 551.6MB. Free memory was 519.7MB in the beginning and 516.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.61ms. Allocated memory is still 551.6MB. Free memory was 516.8MB in the beginning and 514.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 1015.24ms. Allocated memory is still 551.6MB. Free memory was 514.7MB in the beginning and 416.2MB in the end (delta: 98.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.0GB. * TraceAbstraction took 15132.76ms. Allocated memory was 551.6MB in the beginning and 918.6MB in the end (delta: 367.0MB). Free memory was 416.2MB in the beginning and 473.2MB in the end (delta: -57.0MB). Peak memory consumption was 313.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 101]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 147 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 273 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 1141 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1267 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1117 IncrementalHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 220 mSDtfsCounter, 1117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred in iteration=3, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 690 NumberOfCodeBlocks, 690 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 684 ConstructedInterpolants, 0 QuantifiedInterpolants, 11924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-19 00:32:48,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...