/usr/bin/java -Xmx16000000000 -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-PN-SemanticLbe.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 02:41:56,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 02:41:56,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 02:41:56,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 02:41:56,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 02:41:56,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 02:41:56,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 02:41:56,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 02:41:56,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 02:41:56,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 02:41:56,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 02:41:56,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 02:41:56,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 02:41:56,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 02:41:56,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 02:41:56,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 02:41:56,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 02:41:56,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 02:41:56,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 02:41:56,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 02:41:56,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 02:41:56,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 02:41:56,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 02:41:56,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 02:41:56,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 02:41:56,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 02:41:56,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 02:41:56,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 02:41:56,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 02:41:56,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 02:41:56,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 02:41:56,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 02:41:56,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 02:41:56,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 02:41:56,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 02:41:56,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 02:41:56,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 02:41:56,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 02:41:56,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 02:41:56,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 02:41:56,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 02:41:56,628 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 02:41:56,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 02:41:56,629 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 02:41:56,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 02:41:56,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 02:41:56,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 02:41:56,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 02:41:56,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 02:41:56,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 02:41:56,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 02:41:56,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 02:41:56,632 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 02:41:56,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 02:41:56,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 02:41:56,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 02:41:56,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 02:41:56,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 02:41:56,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 02:41:56,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 02:41:56,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 02:41:56,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 02:41:56,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 02:41:56,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 02:41:56,634 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 02:41:56,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 02:41:56,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 02:41:56,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 02:41:56,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 02:41:56,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 02:41:56,938 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 02:41:56,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-16 02:41:57,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e5496de/bf30351089c546e2b956b7d99c9a3f67/FLAGca93a73e1 [2020-10-16 02:41:57,450 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 02:41:57,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-16 02:41:57,451 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 02:41:57,452 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 02:41:57,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e5496de/bf30351089c546e2b956b7d99c9a3f67/FLAGca93a73e1 [2020-10-16 02:41:57,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e5496de/bf30351089c546e2b956b7d99c9a3f67 [2020-10-16 02:41:57,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 02:41:57,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 02:41:57,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 02:41:57,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 02:41:57,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 02:41:57,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:57" (1/1) ... [2020-10-16 02:41:57,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9d90d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:57, skipping insertion in model container [2020-10-16 02:41:57,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:57" (1/1) ... [2020-10-16 02:41:57,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 02:41:57,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 02:41:58,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:41:58,069 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 02:41:58,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:41:58,186 INFO L208 MainTranslator]: Completed translation [2020-10-16 02:41:58,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58 WrapperNode [2020-10-16 02:41:58,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 02:41:58,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 02:41:58,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 02:41:58,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 02:41:58,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 02:41:58,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 02:41:58,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 02:41:58,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 02:41:58,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (1/1) ... [2020-10-16 02:41:58,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 02:41:58,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 02:41:58,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 02:41:58,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 02:41:58,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (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 [2020-10-16 02:41:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 02:41:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-16 02:41:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-16 02:41:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2020-10-16 02:41:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2020-10-16 02:41:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 02:41:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 02:41:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 02:41:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 02:41:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 02:41:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 02:41:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 02:41:58,314 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 02:41:58,676 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 02:41:58,676 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-16 02:41:58,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:58 BoogieIcfgContainer [2020-10-16 02:41:58,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 02:41:58,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 02:41:58,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 02:41:58,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 02:41:58,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:41:57" (1/3) ... [2020-10-16 02:41:58,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@babafc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:58, skipping insertion in model container [2020-10-16 02:41:58,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:58" (2/3) ... [2020-10-16 02:41:58,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@babafc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:58, skipping insertion in model container [2020-10-16 02:41:58,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:58" (3/3) ... [2020-10-16 02:41:58,686 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2020-10-16 02:41:58,698 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 02:41:58,706 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 02:41:58,707 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 02:41:58,744 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,745 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,745 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,745 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,746 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,746 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,747 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,747 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,747 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,748 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,748 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,748 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,748 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,749 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,749 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,749 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,749 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,750 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,750 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,750 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,750 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,750 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,751 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,751 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,751 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,751 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,752 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,752 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,752 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,752 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,752 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,753 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,753 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,754 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,754 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,754 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,754 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,755 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,755 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,755 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,755 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,755 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,756 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,756 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,756 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,756 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,756 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,757 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,757 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,757 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,758 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,758 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,758 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,758 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,758 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,759 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,759 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,759 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,760 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,760 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,760 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,760 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,761 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,761 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,761 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,762 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,763 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,767 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,767 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,767 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,768 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,768 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,768 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,768 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,769 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,769 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,769 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,769 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,769 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,770 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,770 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,770 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,770 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,771 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,771 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,771 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,771 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,771 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,772 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,772 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:41:58,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 02:41:58,820 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:41:58,820 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:41:58,821 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:41:58,821 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:41:58,821 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:41:58,821 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:41:58,821 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:41:58,821 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:41:58,839 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-10-16 02:41:58,891 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-10-16 02:41:58,891 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 02:41:58,894 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 02:41:58,894 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 75 transitions, 158 flow [2020-10-16 02:41:58,902 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 68 transitions, 142 flow [2020-10-16 02:41:58,904 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:41:58,907 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 68 transitions, 142 flow [2020-10-16 02:41:58,910 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 68 transitions, 142 flow [2020-10-16 02:41:58,910 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 142 flow [2020-10-16 02:41:58,941 INFO L129 PetriNetUnfolder]: 0/68 cut-off events. [2020-10-16 02:41:58,941 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 02:41:58,942 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 0/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 02:41:58,945 INFO L117 LiptonReduction]: Number of co-enabled transitions 496 [2020-10-16 02:41:59,666 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-10-16 02:42:00,367 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-16 02:42:00,938 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 02:42:01,019 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:42:01,029 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 02:42:01,109 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:42:01,110 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 02:42:01,111 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:127 [2020-10-16 02:42:01,552 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 02:42:01,734 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 02:42:02,673 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2020-10-16 02:42:03,148 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-16 02:42:03,150 INFO L132 LiptonReduction]: Checked pairs total: 595 [2020-10-16 02:42:03,151 INFO L134 LiptonReduction]: Total number of compositions: 62 [2020-10-16 02:42:03,154 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4252 [2020-10-16 02:42:03,159 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 02:42:03,160 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:42:03,160 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:42:03,161 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:42:03,161 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 02:42:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:42:03,167 INFO L82 PathProgramCache]: Analyzing trace with hash 271090, now seen corresponding path program 1 times [2020-10-16 02:42:03,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:42:03,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155267258] [2020-10-16 02:42:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:42:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:42:03,359 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 02:42:03,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155267258] [2020-10-16 02:42:03,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:42:03,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:42:03,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344277737] [2020-10-16 02:42:03,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:42:03,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:42:03,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:42:03,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:42:03,392 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 137 [2020-10-16 02:42:03,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 28 flow. Second operand 3 states. [2020-10-16 02:42:03,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:42:03,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 137 [2020-10-16 02:42:03,396 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:42:03,452 INFO L129 PetriNetUnfolder]: 7/32 cut-off events. [2020-10-16 02:42:03,453 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:42:03,454 INFO L80 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 32 events. 7/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 78 event pairs, 1 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 50. Up to 18 conditions per place. [2020-10-16 02:42:03,456 INFO L132 encePairwiseOnDemand]: 129/137 looper letters, 9 selfloop transitions, 6 changer transitions 0/16 dead transitions. [2020-10-16 02:42:03,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 16 transitions, 68 flow [2020-10-16 02:42:03,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:42:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:42:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2020-10-16 02:42:03,474 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7128953771289538 [2020-10-16 02:42:03,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 293 transitions. [2020-10-16 02:42:03,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 293 transitions. [2020-10-16 02:42:03,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:42:03,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 293 transitions. [2020-10-16 02:42:03,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:42:03,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:42:03,493 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:42:03,496 INFO L185 Difference]: Start difference. First operand has 15 places, 11 transitions, 28 flow. Second operand 3 states and 293 transitions. [2020-10-16 02:42:03,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 16 transitions, 68 flow [2020-10-16 02:42:03,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 16 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:42:03,502 INFO L241 Difference]: Finished difference. Result has 17 places, 15 transitions, 68 flow [2020-10-16 02:42:03,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=17, PETRI_TRANSITIONS=15} [2020-10-16 02:42:03,506 INFO L342 CegarLoopForPetriNet]: 15 programPoint places, 2 predicate places. [2020-10-16 02:42:03,506 INFO L481 AbstractCegarLoop]: Abstraction has has 17 places, 15 transitions, 68 flow [2020-10-16 02:42:03,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:42:03,507 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:42:03,507 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:42:03,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 02:42:03,508 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 02:42:03,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:42:03,508 INFO L82 PathProgramCache]: Analyzing trace with hash 271106, now seen corresponding path program 1 times [2020-10-16 02:42:03,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:42:03,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673856206] [2020-10-16 02:42:03,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:42:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:42:03,552 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 02:42:03,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673856206] [2020-10-16 02:42:03,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:42:03,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:42:03,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751974846] [2020-10-16 02:42:03,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:42:03,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:42:03,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:42:03,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:42:03,558 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 137 [2020-10-16 02:42:03,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 15 transitions, 68 flow. Second operand 3 states. [2020-10-16 02:42:03,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:42:03,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 137 [2020-10-16 02:42:03,559 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:42:03,585 INFO L129 PetriNetUnfolder]: 2/19 cut-off events. [2020-10-16 02:42:03,585 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-16 02:42:03,585 INFO L80 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 19 events. 2/19 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 39 event pairs, 1 based on Foata normal form. 5/24 useless extension candidates. Maximal degree in co-relation 29. Up to 10 conditions per place. [2020-10-16 02:42:03,585 INFO L132 encePairwiseOnDemand]: 134/137 looper letters, 1 selfloop transitions, 1 changer transitions 0/11 dead transitions. [2020-10-16 02:42:03,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 11 transitions, 52 flow [2020-10-16 02:42:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:42:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:42:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2020-10-16 02:42:03,592 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.878345498783455 [2020-10-16 02:42:03,595 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2020-10-16 02:42:03,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2020-10-16 02:42:03,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:42:03,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2020-10-16 02:42:03,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:42:03,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:42:03,601 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:42:03,601 INFO L185 Difference]: Start difference. First operand has 17 places, 15 transitions, 68 flow. Second operand 3 states and 361 transitions. [2020-10-16 02:42:03,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 11 transitions, 52 flow [2020-10-16 02:42:03,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 44 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:42:03,604 INFO L241 Difference]: Finished difference. Result has 15 places, 11 transitions, 42 flow [2020-10-16 02:42:03,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=15, PETRI_TRANSITIONS=11} [2020-10-16 02:42:03,605 INFO L342 CegarLoopForPetriNet]: 15 programPoint places, 0 predicate places. [2020-10-16 02:42:03,605 INFO L481 AbstractCegarLoop]: Abstraction has has 15 places, 11 transitions, 42 flow [2020-10-16 02:42:03,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:42:03,605 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:42:03,605 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 02:42:03,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 02:42:03,607 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 02:42:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:42:03,607 INFO L82 PathProgramCache]: Analyzing trace with hash 8404746, now seen corresponding path program 1 times [2020-10-16 02:42:03,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:42:03,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265214591] [2020-10-16 02:42:03,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:42:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:42:03,758 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 02:42:03,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265214591] [2020-10-16 02:42:03,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:42:03,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:42:03,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685887664] [2020-10-16 02:42:03,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:42:03,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:42:03,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:42:03,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:42:03,763 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 137 [2020-10-16 02:42:03,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 42 flow. Second operand 5 states. [2020-10-16 02:42:03,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:42:03,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 137 [2020-10-16 02:42:03,764 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:42:03,813 INFO L129 PetriNetUnfolder]: 4/22 cut-off events. [2020-10-16 02:42:03,814 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 02:42:03,814 INFO L80 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 22 events. 4/22 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 39 event pairs, 1 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 54. Up to 11 conditions per place. [2020-10-16 02:42:03,814 INFO L132 encePairwiseOnDemand]: 132/137 looper letters, 7 selfloop transitions, 4 changer transitions 2/14 dead transitions. [2020-10-16 02:42:03,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 76 flow [2020-10-16 02:42:03,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 02:42:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 02:42:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 337 transitions. [2020-10-16 02:42:03,817 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.491970802919708 [2020-10-16 02:42:03,817 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 337 transitions. [2020-10-16 02:42:03,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 337 transitions. [2020-10-16 02:42:03,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:42:03,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 337 transitions. [2020-10-16 02:42:03,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 02:42:03,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 02:42:03,821 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 02:42:03,821 INFO L185 Difference]: Start difference. First operand has 15 places, 11 transitions, 42 flow. Second operand 5 states and 337 transitions. [2020-10-16 02:42:03,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 76 flow [2020-10-16 02:42:03,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 75 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:42:03,823 INFO L241 Difference]: Finished difference. Result has 20 places, 11 transitions, 59 flow [2020-10-16 02:42:03,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=59, PETRI_PLACES=20, PETRI_TRANSITIONS=11} [2020-10-16 02:42:03,823 INFO L342 CegarLoopForPetriNet]: 15 programPoint places, 5 predicate places. [2020-10-16 02:42:03,823 INFO L481 AbstractCegarLoop]: Abstraction has has 20 places, 11 transitions, 59 flow [2020-10-16 02:42:03,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:42:03,824 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:42:03,824 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 02:42:03,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 02:42:03,824 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 02:42:03,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:42:03,825 INFO L82 PathProgramCache]: Analyzing trace with hash 260548299, now seen corresponding path program 1 times [2020-10-16 02:42:03,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:42:03,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080467266] [2020-10-16 02:42:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:42:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:42:03,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:42:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:42:03,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:42:03,917 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:42:03,918 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:42:03,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 02:42:03,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:42:03 BasicIcfg [2020-10-16 02:42:03,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 02:42:03,954 INFO L168 Benchmark]: Toolchain (without parser) took 6103.77 ms. Allocated memory was 252.2 MB in the beginning and 420.0 MB in the end (delta: 167.8 MB). Free memory was 205.0 MB in the beginning and 358.3 MB in the end (delta: -153.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:42:03,954 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 252.2 MB. Free memory is still 226.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:42:03,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.68 ms. Allocated memory was 252.2 MB in the beginning and 318.2 MB in the end (delta: 66.1 MB). Free memory was 205.0 MB in the beginning and 293.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:42:03,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.91 ms. Allocated memory is still 318.2 MB. Free memory was 293.3 MB in the beginning and 289.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.2 GB. [2020-10-16 02:42:03,960 INFO L168 Benchmark]: Boogie Preprocessor took 25.37 ms. Allocated memory is still 318.2 MB. Free memory is still 289.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:42:03,961 INFO L168 Benchmark]: RCFGBuilder took 428.88 ms. Allocated memory is still 318.2 MB. Free memory was 289.5 MB in the beginning and 264.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 14.2 GB. [2020-10-16 02:42:03,963 INFO L168 Benchmark]: TraceAbstraction took 5272.25 ms. Allocated memory was 318.2 MB in the beginning and 420.0 MB in the end (delta: 101.7 MB). Free memory was 264.5 MB in the beginning and 358.3 MB in the end (delta: -93.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.2 GB. [2020-10-16 02:42:03,967 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 252.2 MB. Free memory is still 226.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 335.68 ms. Allocated memory was 252.2 MB in the beginning and 318.2 MB in the end (delta: 66.1 MB). Free memory was 205.0 MB in the beginning and 293.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 35.91 ms. Allocated memory is still 318.2 MB. Free memory was 293.3 MB in the beginning and 289.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 25.37 ms. Allocated memory is still 318.2 MB. Free memory is still 289.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 428.88 ms. Allocated memory is still 318.2 MB. Free memory was 289.5 MB in the beginning and 264.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5272.25 ms. Allocated memory was 318.2 MB in the beginning and 420.0 MB in the end (delta: 101.7 MB). Free memory was 264.5 MB in the beginning and 358.3 MB in the end (delta: -93.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 304 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 21 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 72 PlacesBefore, 15 PlacesAfterwards, 68 TransitionsBefore, 11 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 595 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={10:0}, n={10:0}] [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={10:0}, globVar={10:0}, n={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 9 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 26 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 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...