/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 19:40:12,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 19:40:12,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 19:40:12,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 19:40:12,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 19:40:12,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 19:40:12,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 19:40:12,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 19:40:12,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 19:40:12,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 19:40:12,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 19:40:12,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 19:40:12,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 19:40:12,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 19:40:12,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 19:40:12,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 19:40:12,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 19:40:12,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 19:40:12,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 19:40:12,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 19:40:12,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 19:40:12,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 19:40:12,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 19:40:12,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 19:40:12,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 19:40:12,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 19:40:12,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 19:40:12,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 19:40:12,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 19:40:12,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 19:40:12,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 19:40:12,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 19:40:12,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 19:40:12,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 19:40:12,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 19:40:12,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 19:40:12,754 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-FA-VariableLbe.epf [2019-12-18 19:40:12,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 19:40:12,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 19:40:12,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 19:40:12,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 19:40:12,786 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 19:40:12,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 19:40:12,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 19:40:12,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 19:40:12,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 19:40:12,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 19:40:12,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 19:40:12,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 19:40:12,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 19:40:12,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 19:40:12,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 19:40:12,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 19:40:12,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 19:40:12,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 19:40:12,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 19:40:12,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 19:40:12,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 19:40:12,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 19:40:12,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 19:40:12,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 19:40:12,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 19:40:12,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 19:40:12,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 19:40:12,793 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 19:40:12,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 19:40:12,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 19:40:13,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 19:40:13,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 19:40:13,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 19:40:13,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 19:40:13,111 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 19:40:13,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2019-12-18 19:40:13,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f50aee0/5d4bbe8c6bb74f919f9850372278064c/FLAGb95a1dd82 [2019-12-18 19:40:13,707 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 19:40:13,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2019-12-18 19:40:13,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f50aee0/5d4bbe8c6bb74f919f9850372278064c/FLAGb95a1dd82 [2019-12-18 19:40:13,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f50aee0/5d4bbe8c6bb74f919f9850372278064c [2019-12-18 19:40:14,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 19:40:14,006 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 19:40:14,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 19:40:14,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 19:40:14,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 19:40:14,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:40:13" (1/1) ... [2019-12-18 19:40:14,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e04525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14, skipping insertion in model container [2019-12-18 19:40:14,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:40:13" (1/1) ... [2019-12-18 19:40:14,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 19:40:14,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 19:40:14,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:40:14,612 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 19:40:14,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:40:14,765 INFO L208 MainTranslator]: Completed translation [2019-12-18 19:40:14,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14 WrapperNode [2019-12-18 19:40:14,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 19:40:14,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 19:40:14,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 19:40:14,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 19:40:14,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 19:40:14,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 19:40:14,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 19:40:14,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 19:40:14,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... [2019-12-18 19:40:14,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 19:40:14,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 19:40:14,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 19:40:14,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 19:40:14,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 19:40:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2019-12-18 19:40:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2019-12-18 19:40:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 19:40:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2019-12-18 19:40:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2019-12-18 19:40:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 19:40:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-18 19:40:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 19:40:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 19:40:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-18 19:40:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 19:40:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 19:40:14,914 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 19:40:15,330 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 19:40:15,330 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-18 19:40:15,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:40:15 BoogieIcfgContainer [2019-12-18 19:40:15,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 19:40:15,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 19:40:15,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 19:40:15,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 19:40:15,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:40:13" (1/3) ... [2019-12-18 19:40:15,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5428455d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:40:15, skipping insertion in model container [2019-12-18 19:40:15,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:14" (2/3) ... [2019-12-18 19:40:15,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5428455d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:40:15, skipping insertion in model container [2019-12-18 19:40:15,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:40:15" (3/3) ... [2019-12-18 19:40:15,343 INFO L109 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2019-12-18 19:40:15,353 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 19:40:15,353 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 19:40:15,360 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 19:40:15,361 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 19:40:15,390 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,390 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,390 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,391 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,391 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,391 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,392 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,392 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,393 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,393 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,394 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,394 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,395 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,395 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,395 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,395 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,396 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,396 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,401 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,401 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,401 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,402 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,402 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,402 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,408 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,408 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,408 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,409 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,409 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:15,435 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 19:40:15,456 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:40:15,457 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:40:15,457 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:40:15,457 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:40:15,457 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:40:15,457 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:40:15,458 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:40:15,458 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:40:15,473 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions [2019-12-18 19:40:15,475 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions [2019-12-18 19:40:15,525 INFO L126 PetriNetUnfolder]: 5/79 cut-off events. [2019-12-18 19:40:15,525 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:15,532 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 79 events. 5/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs. 19/92 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2019-12-18 19:40:15,535 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions [2019-12-18 19:40:15,572 INFO L126 PetriNetUnfolder]: 5/79 cut-off events. [2019-12-18 19:40:15,572 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:15,574 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 79 events. 5/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs. 19/92 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2019-12-18 19:40:15,576 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 886 [2019-12-18 19:40:15,578 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:40:16,901 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-12-18 19:40:17,725 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-12-18 19:40:17,911 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-18 19:40:17,921 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3164 [2019-12-18 19:40:17,922 INFO L214 etLargeBlockEncoding]: Total number of compositions: 50 [2019-12-18 19:40:17,925 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 33 transitions [2019-12-18 19:40:17,945 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 218 states. [2019-12-18 19:40:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2019-12-18 19:40:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 19:40:17,954 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:17,955 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 19:40:17,956 INFO L410 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:17,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:17,962 INFO L82 PathProgramCache]: Analyzing trace with hash 274075472, now seen corresponding path program 1 times [2019-12-18 19:40:17,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:17,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794853501] [2019-12-18 19:40:17,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:18,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:18,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794853501] [2019-12-18 19:40:18,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:18,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:40:18,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443468807] [2019-12-18 19:40:18,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:40:18,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:18,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:40:18,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,229 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 3 states. [2019-12-18 19:40:18,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:18,271 INFO L93 Difference]: Finished difference Result 218 states and 483 transitions. [2019-12-18 19:40:18,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:40:18,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-18 19:40:18,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:18,306 INFO L225 Difference]: With dead ends: 218 [2019-12-18 19:40:18,312 INFO L226 Difference]: Without dead ends: 188 [2019-12-18 19:40:18,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-12-18 19:40:18,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2019-12-18 19:40:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-18 19:40:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 412 transitions. [2019-12-18 19:40:18,400 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 412 transitions. Word has length 5 [2019-12-18 19:40:18,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:18,400 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 412 transitions. [2019-12-18 19:40:18,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:40:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 412 transitions. [2019-12-18 19:40:18,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 19:40:18,402 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:18,402 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:40:18,402 INFO L410 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:18,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:18,403 INFO L82 PathProgramCache]: Analyzing trace with hash -18342786, now seen corresponding path program 1 times [2019-12-18 19:40:18,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:18,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419027597] [2019-12-18 19:40:18,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:18,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419027597] [2019-12-18 19:40:18,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:18,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:40:18,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358760047] [2019-12-18 19:40:18,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:40:18,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:18,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:40:18,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,469 INFO L87 Difference]: Start difference. First operand 188 states and 412 transitions. Second operand 3 states. [2019-12-18 19:40:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:18,515 INFO L93 Difference]: Finished difference Result 193 states and 398 transitions. [2019-12-18 19:40:18,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:40:18,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-18 19:40:18,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:18,518 INFO L225 Difference]: With dead ends: 193 [2019-12-18 19:40:18,518 INFO L226 Difference]: Without dead ends: 161 [2019-12-18 19:40:18,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-12-18 19:40:18,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 147. [2019-12-18 19:40:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-18 19:40:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 314 transitions. [2019-12-18 19:40:18,538 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 314 transitions. Word has length 8 [2019-12-18 19:40:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:18,539 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 314 transitions. [2019-12-18 19:40:18,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:40:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 314 transitions. [2019-12-18 19:40:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 19:40:18,540 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:18,540 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:40:18,540 INFO L410 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:18,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:18,541 INFO L82 PathProgramCache]: Analyzing trace with hash 244735544, now seen corresponding path program 1 times [2019-12-18 19:40:18,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:18,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247236452] [2019-12-18 19:40:18,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:18,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247236452] [2019-12-18 19:40:18,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:18,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:40:18,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829072728] [2019-12-18 19:40:18,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:40:18,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:18,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:40:18,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,596 INFO L87 Difference]: Start difference. First operand 147 states and 314 transitions. Second operand 3 states. [2019-12-18 19:40:18,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:18,622 INFO L93 Difference]: Finished difference Result 140 states and 283 transitions. [2019-12-18 19:40:18,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:40:18,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-18 19:40:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:18,624 INFO L225 Difference]: With dead ends: 140 [2019-12-18 19:40:18,624 INFO L226 Difference]: Without dead ends: 96 [2019-12-18 19:40:18,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-12-18 19:40:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-12-18 19:40:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-18 19:40:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 181 transitions. [2019-12-18 19:40:18,632 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 181 transitions. Word has length 8 [2019-12-18 19:40:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:18,632 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 181 transitions. [2019-12-18 19:40:18,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:40:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 181 transitions. [2019-12-18 19:40:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 19:40:18,633 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:18,634 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:40:18,634 INFO L410 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:18,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:18,634 INFO L82 PathProgramCache]: Analyzing trace with hash -907722729, now seen corresponding path program 1 times [2019-12-18 19:40:18,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:18,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322891544] [2019-12-18 19:40:18,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:18,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322891544] [2019-12-18 19:40:18,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:18,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:40:18,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263820153] [2019-12-18 19:40:18,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:40:18,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:18,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:40:18,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,716 INFO L87 Difference]: Start difference. First operand 96 states and 181 transitions. Second operand 3 states. [2019-12-18 19:40:18,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:18,726 INFO L93 Difference]: Finished difference Result 96 states and 175 transitions. [2019-12-18 19:40:18,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:40:18,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-18 19:40:18,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:18,729 INFO L225 Difference]: With dead ends: 96 [2019-12-18 19:40:18,729 INFO L226 Difference]: Without dead ends: 78 [2019-12-18 19:40:18,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:40:18,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-12-18 19:40:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-12-18 19:40:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-18 19:40:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 139 transitions. [2019-12-18 19:40:18,742 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 139 transitions. Word has length 13 [2019-12-18 19:40:18,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:18,744 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 139 transitions. [2019-12-18 19:40:18,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:40:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 139 transitions. [2019-12-18 19:40:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 19:40:18,745 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:18,745 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:40:18,746 INFO L410 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:18,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:18,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1500778141, now seen corresponding path program 1 times [2019-12-18 19:40:18,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:18,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687463138] [2019-12-18 19:40:18,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:18,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687463138] [2019-12-18 19:40:18,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:18,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 19:40:18,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940951034] [2019-12-18 19:40:18,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 19:40:18,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:18,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 19:40:18,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-18 19:40:18,858 INFO L87 Difference]: Start difference. First operand 78 states and 139 transitions. Second operand 6 states. [2019-12-18 19:40:18,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:18,902 INFO L93 Difference]: Finished difference Result 26 states and 43 transitions. [2019-12-18 19:40:18,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:40:18,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-12-18 19:40:18,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:18,903 INFO L225 Difference]: With dead ends: 26 [2019-12-18 19:40:18,903 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 19:40:18,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-18 19:40:18,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 19:40:18,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 19:40:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 19:40:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 19:40:18,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-12-18 19:40:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:18,906 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 19:40:18,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 19:40:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 19:40:18,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 19:40:18,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 07:40:18 BasicIcfg [2019-12-18 19:40:18,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 19:40:18,913 INFO L168 Benchmark]: Toolchain (without parser) took 4907.41 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 102.6 MB in the beginning and 177.2 MB in the end (delta: -74.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-12-18 19:40:18,914 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 19:40:18,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.80 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 159.5 MB in the end (delta: -57.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-12-18 19:40:18,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.69 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 19:40:18,917 INFO L168 Benchmark]: Boogie Preprocessor took 27.56 ms. Allocated memory is still 202.4 MB. Free memory was 157.5 MB in the beginning and 156.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 19:40:18,917 INFO L168 Benchmark]: RCFGBuilder took 487.94 ms. Allocated memory is still 202.4 MB. Free memory was 156.2 MB in the beginning and 132.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-12-18 19:40:18,918 INFO L168 Benchmark]: TraceAbstraction took 3577.87 ms. Allocated memory was 202.4 MB in the beginning and 246.4 MB in the end (delta: 44.0 MB). Free memory was 132.5 MB in the beginning and 177.2 MB in the end (delta: -44.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 19:40:18,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.80 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 159.5 MB in the end (delta: -57.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.69 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.56 ms. Allocated memory is still 202.4 MB. Free memory was 157.5 MB in the beginning and 156.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 487.94 ms. Allocated memory is still 202.4 MB. Free memory was 156.2 MB in the beginning and 132.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3577.87 ms. Allocated memory was 202.4 MB in the beginning and 246.4 MB in the end (delta: 44.0 MB). Free memory was 132.5 MB in the beginning and 177.2 MB in the end (delta: -44.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 80 ProgramPointsBefore, 34 ProgramPointsAfterwards, 79 TransitionsBefore, 33 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 405 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3164 CheckedPairsTotal, 50 TotalNumberOfCompositions - PositiveResult [Line: 688]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 2 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 125 SDtfs, 85 SDslu, 65 SDs, 0 SdLazy, 27 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...