/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 14:00:58,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 14:00:58,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 14:00:58,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 14:00:58,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 14:00:58,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 14:00:58,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 14:00:58,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 14:00:58,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 14:00:58,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 14:00:58,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 14:00:58,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 14:00:58,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 14:00:58,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 14:00:58,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 14:00:58,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 14:00:58,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 14:00:58,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 14:00:58,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 14:00:58,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 14:00:58,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 14:00:58,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 14:00:58,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 14:00:58,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 14:00:58,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 14:00:58,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 14:00:58,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 14:00:58,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 14:00:58,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 14:00:58,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 14:00:58,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 14:00:58,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 14:00:58,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 14:00:58,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 14:00:58,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 14:00:58,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 14:00:58,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 14:00:58,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 14:00:58,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 14:00:58,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 14:00:58,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 14:00:58,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 14:00:58,764 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 14:00:58,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 14:00:58,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 14:00:58,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 14:00:58,767 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 14:00:58,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 14:00:58,768 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 14:00:58,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 14:00:58,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 14:00:58,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 14:00:58,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 14:00:58,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 14:00:58,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 14:00:58,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 14:00:58,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 14:00:58,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 14:00:58,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 14:00:58,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 14:00:58,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 14:00:58,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 14:00:58,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 14:00:58,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 14:00:58,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 14:00:58,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 14:00:58,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 14:00:58,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 14:00:58,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 14:00:58,773 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 14:00:58,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 14:00:58,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 14:00:58,774 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 14:00:59,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 14:00:59,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 14:00:59,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 14:00:59,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 14:00:59,101 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 14:00:59,102 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-16 14:00:59,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40e1afbd8/0c22c94a87264666b0c143722116d49c/FLAG2413eec1e [2020-10-16 14:00:59,613 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 14:00:59,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-16 14:00:59,614 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 14:00:59,615 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 14:00:59,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40e1afbd8/0c22c94a87264666b0c143722116d49c/FLAG2413eec1e [2020-10-16 14:00:59,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40e1afbd8/0c22c94a87264666b0c143722116d49c [2020-10-16 14:00:59,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 14:00:59,974 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 14:00:59,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 14:00:59,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 14:00:59,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 14:00:59,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:59" (1/1) ... [2020-10-16 14:00:59,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427fa18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:59, skipping insertion in model container [2020-10-16 14:00:59,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:59" (1/1) ... [2020-10-16 14:00:59,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 14:01:00,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 14:01:00,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 14:01:00,265 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 14:01:00,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 14:01:00,297 INFO L208 MainTranslator]: Completed translation [2020-10-16 14:01:00,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00 WrapperNode [2020-10-16 14:01:00,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 14:01:00,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 14:01:00,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 14:01:00,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 14:01:00,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 14:01:00,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 14:01:00,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 14:01:00,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 14:01:00,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... [2020-10-16 14:01:00,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 14:01:00,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 14:01:00,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 14:01:00,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 14:01:00,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 14:01:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 14:01:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-16 14:01:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-16 14:01:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2020-10-16 14:01:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2020-10-16 14:01:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 14:01:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 14:01:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 14:01:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 14:01:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 14:01:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 14:01:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 14:01:00,429 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 14:01:00,805 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 14:01:00,806 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-16 14:01:00,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:00 BoogieIcfgContainer [2020-10-16 14:01:00,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 14:01:00,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 14:01:00,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 14:01:00,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 14:01:00,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:00:59" (1/3) ... [2020-10-16 14:01:00,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0585e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:01:00, skipping insertion in model container [2020-10-16 14:01:00,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00" (2/3) ... [2020-10-16 14:01:00,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0585e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:01:00, skipping insertion in model container [2020-10-16 14:01:00,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:00" (3/3) ... [2020-10-16 14:01:00,820 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2020-10-16 14:01:00,833 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 14:01:00,833 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 14:01:00,841 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 14:01:00,842 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 14:01:00,873 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,874 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,874 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,874 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,874 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,875 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,875 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,875 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,875 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,876 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,876 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,876 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,876 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,877 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,877 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,877 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,878 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,878 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,878 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,879 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,879 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,879 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,879 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,880 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,880 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,880 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,881 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,881 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,881 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,881 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,882 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,882 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,882 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,883 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,883 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,883 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,884 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,884 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,884 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,884 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,886 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,886 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,887 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,887 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,887 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,887 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,888 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,888 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,888 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,888 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,889 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,892 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,892 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,892 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,893 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,893 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,893 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,893 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,894 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,894 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,894 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,894 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,895 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,895 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,895 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,895 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,896 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,896 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,896 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,896 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,900 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,901 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,901 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,901 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,902 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,902 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,902 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,902 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,903 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,903 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,903 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,903 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,904 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,904 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,904 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,904 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,904 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,905 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,905 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,905 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,905 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,906 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,906 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 14:01:00,915 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-16 14:01:00,927 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 14:01:00,946 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 14:01:00,946 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 14:01:00,946 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 14:01:00,947 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 14:01:00,947 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 14:01:00,947 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 14:01:00,947 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 14:01:00,947 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 14:01:00,962 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 14:01:00,963 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2020-10-16 14:01:00,965 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 75 transitions, 158 flow [2020-10-16 14:01:00,967 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-10-16 14:01:01,019 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-10-16 14:01:01,019 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 14:01:01,022 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 14:01:01,025 INFO L117 LiptonReduction]: Number of co-enabled transitions 496 [2020-10-16 14:01:01,765 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-10-16 14:01:02,505 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-16 14:01:02,962 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-10-16 14:01:03,131 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-16 14:01:03,334 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 14:01:03,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 14:01:03,411 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 14:01:03,466 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 14:01:03,468 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 14:01:03,468 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:127 [2020-10-16 14:01:03,816 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-16 14:01:04,022 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-16 14:01:05,054 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-10-16 14:01:05,603 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-16 14:01:05,605 INFO L132 LiptonReduction]: Checked pairs total: 581 [2020-10-16 14:01:05,606 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-16 14:01:05,613 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 13 transitions, 34 flow [2020-10-16 14:01:05,623 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-10-16 14:01:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-16 14:01:05,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 14:01:05,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 14:01:05,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 14:01:05,633 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 14:01:05,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 14:01:05,639 INFO L82 PathProgramCache]: Analyzing trace with hash 277840, now seen corresponding path program 1 times [2020-10-16 14:01:05,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 14:01:05,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898375815] [2020-10-16 14:01:05,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 14:01:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 14:01:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 14:01:05,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898375815] [2020-10-16 14:01:05,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 14:01:05,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 14:01:05,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [194765430] [2020-10-16 14:01:05,861 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 14:01:05,864 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 14:01:05,876 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-16 14:01:05,876 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 14:01:05,881 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 14:01:05,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 14:01:05,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 14:01:05,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 14:01:05,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 14:01:05,900 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-10-16 14:01:05,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 14:01:05,917 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-10-16 14:01:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 14:01:05,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 14:01:05,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 14:01:05,928 INFO L225 Difference]: With dead ends: 17 [2020-10-16 14:01:05,928 INFO L226 Difference]: Without dead ends: 16 [2020-10-16 14:01:05,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 14:01:05,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-16 14:01:05,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-16 14:01:05,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-16 14:01:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2020-10-16 14:01:05,967 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 3 [2020-10-16 14:01:05,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 14:01:05,967 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-10-16 14:01:05,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 14:01:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2020-10-16 14:01:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 14:01:05,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 14:01:05,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 14:01:05,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 14:01:05,969 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 14:01:05,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 14:01:05,969 INFO L82 PathProgramCache]: Analyzing trace with hash 277825, now seen corresponding path program 1 times [2020-10-16 14:01:05,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 14:01:05,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657261341] [2020-10-16 14:01:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 14:01:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 14:01:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 14:01:06,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657261341] [2020-10-16 14:01:06,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 14:01:06,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 14:01:06,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [425546339] [2020-10-16 14:01:06,058 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 14:01:06,058 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 14:01:06,060 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-16 14:01:06,060 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 14:01:06,060 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 14:01:06,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 14:01:06,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 14:01:06,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 14:01:06,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 14:01:06,069 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 3 states. [2020-10-16 14:01:06,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 14:01:06,108 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2020-10-16 14:01:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 14:01:06,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 14:01:06,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 14:01:06,109 INFO L225 Difference]: With dead ends: 20 [2020-10-16 14:01:06,109 INFO L226 Difference]: Without dead ends: 17 [2020-10-16 14:01:06,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 14:01:06,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-16 14:01:06,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-10-16 14:01:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-16 14:01:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2020-10-16 14:01:06,114 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 3 [2020-10-16 14:01:06,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 14:01:06,114 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2020-10-16 14:01:06,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 14:01:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2020-10-16 14:01:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-16 14:01:06,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 14:01:06,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-16 14:01:06,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 14:01:06,115 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 14:01:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 14:01:06,116 INFO L82 PathProgramCache]: Analyzing trace with hash 8613291, now seen corresponding path program 1 times [2020-10-16 14:01:06,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 14:01:06,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107156710] [2020-10-16 14:01:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 14:01:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 14:01:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 14:01:06,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107156710] [2020-10-16 14:01:06,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 14:01:06,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 14:01:06,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [388217562] [2020-10-16 14:01:06,187 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 14:01:06,188 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 14:01:06,212 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-16 14:01:06,212 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 14:01:06,212 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 14:01:06,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 14:01:06,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 14:01:06,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 14:01:06,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 14:01:06,214 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 4 states. [2020-10-16 14:01:06,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 14:01:06,258 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-10-16 14:01:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 14:01:06,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-10-16 14:01:06,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 14:01:06,259 INFO L225 Difference]: With dead ends: 14 [2020-10-16 14:01:06,259 INFO L226 Difference]: Without dead ends: 14 [2020-10-16 14:01:06,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 14:01:06,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-16 14:01:06,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-16 14:01:06,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 14:01:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-10-16 14:01:06,267 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 4 [2020-10-16 14:01:06,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 14:01:06,267 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-16 14:01:06,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 14:01:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-10-16 14:01:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 14:01:06,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 14:01:06,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 14:01:06,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 14:01:06,270 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 14:01:06,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 14:01:06,271 INFO L82 PathProgramCache]: Analyzing trace with hash 267013202, now seen corresponding path program 1 times [2020-10-16 14:01:06,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 14:01:06,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188738031] [2020-10-16 14:01:06,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 14:01:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 14:01:06,319 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 14:01:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 14:01:06,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 14:01:06,379 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 14:01:06,379 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 14:01:06,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 14:01:06,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:01:06 BasicIcfg [2020-10-16 14:01:06,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 14:01:06,413 INFO L168 Benchmark]: Toolchain (without parser) took 6439.44 ms. Allocated memory was 140.0 MB in the beginning and 272.6 MB in the end (delta: 132.6 MB). Free memory was 100.8 MB in the beginning and 226.9 MB in the end (delta: -126.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2020-10-16 14:01:06,414 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 14:01:06,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.58 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 180.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-10-16 14:01:06,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.30 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 178.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 14:01:06,416 INFO L168 Benchmark]: Boogie Preprocessor took 23.23 ms. Allocated memory is still 203.4 MB. Free memory was 178.5 MB in the beginning and 177.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 14:01:06,417 INFO L168 Benchmark]: RCFGBuilder took 449.94 ms. Allocated memory is still 203.4 MB. Free memory was 177.1 MB in the beginning and 152.5 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-10-16 14:01:06,418 INFO L168 Benchmark]: TraceAbstraction took 5601.69 ms. Allocated memory was 203.4 MB in the beginning and 272.6 MB in the end (delta: 69.2 MB). Free memory was 152.5 MB in the beginning and 226.9 MB in the end (delta: -74.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 14:01:06,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.58 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 180.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.30 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 178.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.23 ms. Allocated memory is still 203.4 MB. Free memory was 178.5 MB in the beginning and 177.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 449.94 ms. Allocated memory is still 203.4 MB. Free memory was 177.1 MB in the beginning and 152.5 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5601.69 ms. Allocated memory was 203.4 MB in the beginning and 272.6 MB in the end (delta: 69.2 MB). Free memory was 152.5 MB in the beginning and 226.9 MB in the end (delta: -74.4 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 263 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.6s, 79 PlacesBefore, 17 PlacesAfterwards, 75 TransitionsBefore, 13 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 69 TotalNumberOfCompositions, 581 MoverChecksTotal - CounterExampleResult [Line: 33]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 int globVar; [L27] 0 int locVar = 7; [L28] 0 globVar = 0 [L30] 0 pthread_t thread_id; [L32] FCALL, FORK 0 pthread_create(&thread_id, NULL, increment, &globVar) VAL [globVar={11:0}, n={11:0}] [L18] 1 int *result = (int *)n; [L18] EXPR 1 \read(*n) [L18] 1 int *result = (int *)n; [L19] EXPR 1 \read(*result) [L19] 1 (*result)++ [L20] 1 \read(*result) [L21] 1 \read(*result) [L23] EXPR 1 \read(*result) [L23] 1 return (void *)result; [L23] 1 return (void *)result; [L18] 1 int *result = (int *)n; [L23] 1 return (void *)result; [L33] FCALL 0 IdentifierExpression[globVar] [L33] 0 CodeAnnotStmt[Assertion] VAL [\result={11:0}, globVar={11:0}, n={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 17 SDtfs, 14 SDslu, 3 SDs, 0 SdLazy, 26 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...