/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:44:08,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:44:08,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:44:08,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:44:08,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:44:08,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:44:08,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:44:08,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:44:08,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:44:08,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:44:08,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:44:08,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:44:08,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:44:08,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:44:08,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:44:08,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:44:08,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:44:08,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:44:08,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:44:08,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:44:08,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:44:08,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:44:08,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:44:08,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:44:08,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:44:08,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:44:08,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:44:08,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:44:08,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:44:08,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:44:08,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:44:08,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:44:08,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:44:08,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:44:08,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:44:08,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:44:08,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:44:08,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:44:08,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:44:08,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:44:08,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:44:08,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf [2020-04-18 11:44:08,743 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:44:08,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:44:08,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:44:08,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:44:08,745 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:44:08,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:44:08,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:44:08,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:44:08,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:44:08,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:44:08,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:44:08,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:44:08,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:44:08,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:44:08,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:44:08,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:44:08,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:44:08,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:44:08,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:44:08,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:44:08,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:44:08,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:44:08,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:44:08,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:44:08,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:44:08,749 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:44:08,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:44:08,750 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:44:08,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:44:08,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:44:09,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:44:09,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:44:09,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:44:09,088 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:44:09,089 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:44:09,090 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-04-18 11:44:09,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821137db2/cf4d82abdffc497bbfc6d1208823edbd/FLAG58c216eb7 [2020-04-18 11:44:09,643 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:44:09,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-04-18 11:44:09,644 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 11:44:09,644 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 11:44:09,644 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 11:44:09,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821137db2/cf4d82abdffc497bbfc6d1208823edbd/FLAG58c216eb7 [2020-04-18 11:44:10,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821137db2/cf4d82abdffc497bbfc6d1208823edbd [2020-04-18 11:44:10,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:44:10,061 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:44:10,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:44:10,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:44:10,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:44:10,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4285cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10, skipping insertion in model container [2020-04-18 11:44:10,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:44:10,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:44:10,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:44:10,393 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:44:10,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:44:10,423 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:44:10,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10 WrapperNode [2020-04-18 11:44:10,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:44:10,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:44:10,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:44:10,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:44:10,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:44:10,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:44:10,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:44:10,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:44:10,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (1/1) ... [2020-04-18 11:44:10,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:44:10,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:44:10,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:44:10,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:44:10,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (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 [2020-04-18 11:44:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:44:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:44:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:44:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:44:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:44:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2020-04-18 11:44:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2020-04-18 11:44:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:44:10,559 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 11:44:10,897 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:44:10,897 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-04-18 11:44:10,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:44:10 BoogieIcfgContainer [2020-04-18 11:44:10,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:44:10,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:44:10,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:44:10,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:44:10,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:44:10" (1/3) ... [2020-04-18 11:44:10,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb598f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:44:10, skipping insertion in model container [2020-04-18 11:44:10,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:44:10" (2/3) ... [2020-04-18 11:44:10,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb598f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:44:10, skipping insertion in model container [2020-04-18 11:44:10,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:44:10" (3/3) ... [2020-04-18 11:44:10,909 INFO L109 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2020-04-18 11:44:10,920 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:44:10,921 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:44:10,927 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 11:44:10,928 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:44:10,953 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,953 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,953 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,954 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,954 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,954 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,954 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,955 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,955 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,955 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,955 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,956 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,956 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,956 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,956 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,957 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,957 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,957 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,958 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,958 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,958 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,962 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,963 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,965 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,966 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,966 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,966 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,966 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,966 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,967 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,967 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,967 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:10,967 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:11,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 11:44:11,024 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:44:11,024 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:44:11,024 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:44:11,025 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:44:11,025 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:44:11,025 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:44:11,025 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:44:11,025 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:44:11,041 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions, 120 flow [2020-04-18 11:44:11,043 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions, 120 flow [2020-04-18 11:44:11,105 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-04-18 11:44:11,106 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-04-18 11:44:11,110 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-04-18 11:44:11,113 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions, 120 flow [2020-04-18 11:44:11,134 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-04-18 11:44:11,134 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-04-18 11:44:11,135 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-04-18 11:44:11,137 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 600 [2020-04-18 11:44:11,138 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:44:12,247 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-04-18 11:44:12,475 INFO L206 etLargeBlockEncoding]: Checked pairs total: 475 [2020-04-18 11:44:12,475 INFO L214 etLargeBlockEncoding]: Total number of compositions: 51 [2020-04-18 11:44:12,479 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 10 transitions, 28 flow [2020-04-18 11:44:12,489 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-04-18 11:44:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-04-18 11:44:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 11:44:12,499 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:44:12,500 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-04-18 11:44:12,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 11:44:12,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:12,507 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 1 times [2020-04-18 11:44:12,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:44:12,515 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [426378615] [2020-04-18 11:44:12,532 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:12,542 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 11:44:12,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-04-18 11:44:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 11:44:12,544 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:44:12,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:12,544 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 2 times [2020-04-18 11:44:12,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:12,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727655113] [2020-04-18 11:44:12,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:44:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:44:12,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727655113] [2020-04-18 11:44:12,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:44:12,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 11:44:12,788 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:44:12,790 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:12,793 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 11:44:12,793 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:44:12,807 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:44:12,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:44:12,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:44:12,815 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2020-04-18 11:44:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:12,820 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2020-04-18 11:44:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2020-04-18 11:44:12,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:44:12,821 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [426378615] [2020-04-18 11:44:12,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:44:12,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1 [2020-04-18 11:44:12,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [426378615] [2020-04-18 11:44:12,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:44:12,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:44:12,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:44:12,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:44:12,830 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-04-18 11:44:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:12,857 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2020-04-18 11:44:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:44:12,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-04-18 11:44:12,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:44:12,878 INFO L225 Difference]: With dead ends: 16 [2020-04-18 11:44:12,878 INFO L226 Difference]: Without dead ends: 11 [2020-04-18 11:44:12,880 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:44:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-04-18 11:44:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-04-18 11:44:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-04-18 11:44:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-04-18 11:44:12,921 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-04-18 11:44:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:44:12,921 INFO L479 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-04-18 11:44:12,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:44:12,922 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-04-18 11:44:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:44:12,923 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:44:12,923 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-04-18 11:44:12,923 INFO L427 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 11:44:12,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:12,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 1 times [2020-04-18 11:44:12,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:44:12,925 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [503652963] [2020-04-18 11:44:12,926 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:12,928 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 11:44:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 11:44:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:44:12,929 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:44:12,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:12,930 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 2 times [2020-04-18 11:44:12,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:12,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028179944] [2020-04-18 11:44:12,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:44:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:44:13,083 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 11:44:13,083 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 11:44:13,084 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 11:44:13,085 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 11:44:13,086 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 11:44:13,095 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,095 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,096 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,096 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,096 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,096 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,097 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,097 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,097 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,097 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,097 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,098 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,098 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,098 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,098 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,098 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,099 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,099 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,099 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,099 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,100 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,100 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,101 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,101 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,101 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,101 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,101 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,102 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,102 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,102 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,102 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,103 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,103 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,103 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,103 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,103 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,104 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,104 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,104 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,104 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,105 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,105 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,106 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,106 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,106 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,107 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,107 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,107 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,107 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,107 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,108 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,108 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,108 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,108 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,111 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,111 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,112 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,112 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,112 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,112 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,113 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,113 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,113 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,113 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,113 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,114 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:13,119 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 11:44:13,120 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:44:13,120 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:44:13,120 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:44:13,120 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:44:13,121 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:44:13,121 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:44:13,121 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:44:13,121 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:44:13,125 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions, 174 flow [2020-04-18 11:44:13,125 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions, 174 flow [2020-04-18 11:44:13,169 INFO L129 PetriNetUnfolder]: 3/117 cut-off events. [2020-04-18 11:44:13,170 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2020-04-18 11:44:13,173 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 198 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2020-04-18 11:44:13,177 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions, 174 flow [2020-04-18 11:44:13,223 INFO L129 PetriNetUnfolder]: 3/117 cut-off events. [2020-04-18 11:44:13,223 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2020-04-18 11:44:13,225 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 198 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2020-04-18 11:44:13,230 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2760 [2020-04-18 11:44:13,230 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:44:14,230 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-04-18 11:44:14,491 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6323 [2020-04-18 11:44:14,491 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2020-04-18 11:44:14,491 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 86 flow [2020-04-18 11:44:14,544 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1003 states. [2020-04-18 11:44:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states. [2020-04-18 11:44:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 11:44:14,547 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:44:14,547 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-04-18 11:44:14,548 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 11:44:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:14,548 INFO L82 PathProgramCache]: Analyzing trace with hash -597674599, now seen corresponding path program 1 times [2020-04-18 11:44:14,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:44:14,549 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [380508667] [2020-04-18 11:44:14,550 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:14,550 INFO L259 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-04-18 11:44:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-04-18 11:44:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 11:44:14,552 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:44:14,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:14,552 INFO L82 PathProgramCache]: Analyzing trace with hash -597674599, now seen corresponding path program 2 times [2020-04-18 11:44:14,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:14,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76987051] [2020-04-18 11:44:14,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:44:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:44:14,627 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 11:44:14,629 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 11:44:14,630 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 11:44:14,631 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 11:44:14,633 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 11:44:14,645 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,645 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,646 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,647 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,647 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,647 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,647 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,647 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,647 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,647 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,649 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,649 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,649 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,649 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,650 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,650 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,650 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,650 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,650 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,650 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,651 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,651 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,651 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,651 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,651 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,651 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,652 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,652 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,652 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,652 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,652 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,653 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,653 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,653 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,655 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,656 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,658 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,658 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,658 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,658 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,658 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,658 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,659 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,659 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,659 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,659 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,661 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,663 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,663 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,665 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,665 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,665 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,666 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,666 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,666 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,666 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,666 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,667 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,667 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,667 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,667 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:44:14,674 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 11:44:14,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:44:14,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:44:14,675 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:44:14,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:44:14,676 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:44:14,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:44:14,676 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:44:14,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:44:14,678 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 100 transitions, 230 flow [2020-04-18 11:44:14,678 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 230 flow [2020-04-18 11:44:14,707 INFO L129 PetriNetUnfolder]: 4/179 cut-off events. [2020-04-18 11:44:14,707 INFO L130 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2020-04-18 11:44:14,709 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 501 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2020-04-18 11:44:14,716 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 230 flow [2020-04-18 11:44:14,740 INFO L129 PetriNetUnfolder]: 4/179 cut-off events. [2020-04-18 11:44:14,740 INFO L130 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2020-04-18 11:44:14,741 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 501 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2020-04-18 11:44:14,748 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5520 [2020-04-18 11:44:14,749 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:44:16,054 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-04-18 11:44:16,144 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12937 [2020-04-18 11:44:16,145 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2020-04-18 11:44:16,145 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 47 transitions, 124 flow [2020-04-18 11:44:16,968 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12523 states. [2020-04-18 11:44:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states. [2020-04-18 11:44:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:44:16,973 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:44:16,973 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:44:16,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 11:44:16,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:16,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1337401756, now seen corresponding path program 1 times [2020-04-18 11:44:16,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:44:16,975 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1736443142] [2020-04-18 11:44:16,975 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:16,976 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 11:44:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-04-18 11:44:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:44:16,977 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:44:16,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:16,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1337401756, now seen corresponding path program 2 times [2020-04-18 11:44:16,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:16,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887562004] [2020-04-18 11:44:16,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:44:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:44:17,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887562004] [2020-04-18 11:44:17,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:44:17,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:44:17,058 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:44:17,059 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:17,063 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 11:44:17,064 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:44:17,076 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:44:17,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 11:44:17,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:44:17,077 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 5 states. [2020-04-18 11:44:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:17,093 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-04-18 11:44:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-04-18 11:44:17,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:44:17,094 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1736443142] [2020-04-18 11:44:17,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:44:17,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:44:17,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1736443142] [2020-04-18 11:44:17,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 11:44:17,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:44:17,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 11:44:17,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:44:17,095 INFO L87 Difference]: Start difference. First operand 12523 states. Second operand 5 states. [2020-04-18 11:44:17,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:17,439 INFO L93 Difference]: Finished difference Result 16053 states and 52167 transitions. [2020-04-18 11:44:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 11:44:17,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-04-18 11:44:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:44:17,614 INFO L225 Difference]: With dead ends: 16053 [2020-04-18 11:44:17,615 INFO L226 Difference]: Without dead ends: 15826 [2020-04-18 11:44:17,615 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:44:18,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15826 states. [2020-04-18 11:44:18,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15826 to 13894. [2020-04-18 11:44:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13894 states. [2020-04-18 11:44:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 46691 transitions. [2020-04-18 11:44:18,548 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 46691 transitions. Word has length 13 [2020-04-18 11:44:18,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:44:18,549 INFO L479 AbstractCegarLoop]: Abstraction has 13894 states and 46691 transitions. [2020-04-18 11:44:18,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 11:44:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 46691 transitions. [2020-04-18 11:44:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 11:44:18,555 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:44:18,555 INFO L425 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-04-18 11:44:18,556 INFO L427 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 11:44:18,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:18,556 INFO L82 PathProgramCache]: Analyzing trace with hash 367304155, now seen corresponding path program 1 times [2020-04-18 11:44:18,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:44:18,557 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [933585614] [2020-04-18 11:44:18,557 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:18,559 INFO L259 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-04-18 11:44:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-04-18 11:44:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 11:44:18,560 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:44:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:18,561 INFO L82 PathProgramCache]: Analyzing trace with hash 367304155, now seen corresponding path program 2 times [2020-04-18 11:44:18,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:18,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260683116] [2020-04-18 11:44:18,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:44:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:44:18,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260683116] [2020-04-18 11:44:18,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260817907] [2020-04-18 11:44:18,736 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-18 11:44:18,811 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-18 11:44:18,812 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-18 11:44:18,814 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjunts are in the unsatisfiable core [2020-04-18 11:44:18,817 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-18 11:44:18,891 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:18,891 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 67 [2020-04-18 11:44:18,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:44:18,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:44:18,897 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:18,935 INFO L619 ElimStorePlain]: treesize reduction 85, result has 22.0 percent of original size [2020-04-18 11:44:18,943 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-04-18 11:44:18,943 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:18,951 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:18,952 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 11:44:18,952 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:12 [2020-04-18 11:44:18,961 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-18 11:44:18,962 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:18,967 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:18,968 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 11:44:18,968 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2020-04-18 11:44:18,988 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2020-04-18 11:44:18,989 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:18,996 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:18,996 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 11:44:18,997 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2020-04-18 11:44:19,022 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-18 11:44:19,023 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:19,031 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:19,032 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 11:44:19,032 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2020-04-18 11:44:19,040 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2020-04-18 11:44:19,041 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:19,048 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:19,049 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 11:44:19,049 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2020-04-18 11:44:19,072 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-18 11:44:19,073 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:19,079 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:19,080 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:44:19,081 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-04-18 11:44:19,118 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2020-04-18 11:44:19,119 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 11:44:19,133 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 11:44:19,134 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 11:44:19,134 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2020-04-18 11:44:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:44:19,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-18 11:44:19,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2020-04-18 11:44:19,162 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:44:19,165 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:19,167 INFO L259 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-04-18 11:44:19,167 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:44:19,829 WARN L192 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-04-18 11:44:19,890 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:44:19,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 11:44:19,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-04-18 11:44:19,891 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 11 states. [2020-04-18 11:44:20,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:20,025 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-04-18 11:44:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-04-18 11:44:20,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:44:20,026 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [933585614] [2020-04-18 11:44:20,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:44:20,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 11:44:20,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [933585614] [2020-04-18 11:44:20,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-18 11:44:20,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:44:20,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 11:44:20,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-04-18 11:44:20,027 INFO L87 Difference]: Start difference. First operand 13894 states and 46691 transitions. Second operand 11 states. [2020-04-18 11:44:20,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:44:20,321 INFO L93 Difference]: Finished difference Result 9897 states and 32288 transitions. [2020-04-18 11:44:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 11:44:20,322 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-04-18 11:44:20,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:44:20,371 INFO L225 Difference]: With dead ends: 9897 [2020-04-18 11:44:20,371 INFO L226 Difference]: Without dead ends: 9786 [2020-04-18 11:44:20,372 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-04-18 11:44:20,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9786 states. [2020-04-18 11:44:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9786 to 9786. [2020-04-18 11:44:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9786 states. [2020-04-18 11:44:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9786 states to 9786 states and 31881 transitions. [2020-04-18 11:44:20,776 INFO L78 Accepts]: Start accepts. Automaton has 9786 states and 31881 transitions. Word has length 15 [2020-04-18 11:44:20,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:44:20,777 INFO L479 AbstractCegarLoop]: Abstraction has 9786 states and 31881 transitions. [2020-04-18 11:44:20,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-18 11:44:20,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9786 states and 31881 transitions. [2020-04-18 11:44:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-04-18 11:44:20,780 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:44:20,780 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:44:20,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-18 11:44:20,985 INFO L427 AbstractCegarLoop]: === Iteration 3 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 11:44:20,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:20,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1619689545, now seen corresponding path program 1 times [2020-04-18 11:44:20,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:44:20,987 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [171218768] [2020-04-18 11:44:20,988 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:44:20,990 INFO L259 McrAutomatonBuilder]: Finished intersection with 80 states and 139 transitions. [2020-04-18 11:44:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-04-18 11:44:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-04-18 11:44:20,991 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:44:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:44:20,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1619689545, now seen corresponding path program 2 times [2020-04-18 11:44:20,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:44:20,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139414232] [2020-04-18 11:44:20,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:44:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:44:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:44:21,030 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 11:44:21,030 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 11:44:21,030 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 11:44:21,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:44:21 BasicIcfg [2020-04-18 11:44:21,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:44:21,096 INFO L168 Benchmark]: Toolchain (without parser) took 11056.72 ms. Allocated memory was 140.5 MB in the beginning and 477.1 MB in the end (delta: 336.6 MB). Free memory was 95.8 MB in the beginning and 164.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 268.2 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:21,097 INFO L168 Benchmark]: CDTParser took 2.09 ms. Allocated memory is still 140.5 MB. Free memory was 116.9 MB in the beginning and 116.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 11:44:21,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.69 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 93.8 MB in the beginning and 175.1 MB in the end (delta: -81.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:21,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.39 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 173.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:21,108 INFO L168 Benchmark]: Boogie Preprocessor took 23.55 ms. Allocated memory is still 198.2 MB. Free memory was 173.6 MB in the beginning and 172.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:21,109 INFO L168 Benchmark]: RCFGBuilder took 420.87 ms. Allocated memory is still 198.2 MB. Free memory was 172.2 MB in the beginning and 154.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:21,111 INFO L168 Benchmark]: TraceAbstraction took 10190.05 ms. Allocated memory was 198.2 MB in the beginning and 477.1 MB in the end (delta: 278.9 MB). Free memory was 154.2 MB in the beginning and 164.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 269.0 MB. Max. memory is 7.1 GB. [2020-04-18 11:44:21,117 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.09 ms. Allocated memory is still 140.5 MB. Free memory was 116.9 MB in the beginning and 116.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 361.69 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 93.8 MB in the beginning and 175.1 MB in the end (delta: -81.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 32.39 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 173.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.55 ms. Allocated memory is still 198.2 MB. Free memory was 173.6 MB in the beginning and 172.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 420.87 ms. Allocated memory is still 198.2 MB. Free memory was 172.2 MB in the beginning and 154.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10190.05 ms. Allocated memory was 198.2 MB in the beginning and 477.1 MB in the end (delta: 278.9 MB). Free memory was 154.2 MB in the beginning and 164.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 269.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 58 ProgramPointsBefore, 13 ProgramPointsAfterwards, 56 TransitionsBefore, 10 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 309 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 475 CheckedPairsTotal, 51 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 81 ProgramPointsBefore, 38 ProgramPointsAfterwards, 78 TransitionsBefore, 34 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 6 FixpointIterations, 10 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 1256 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 6323 CheckedPairsTotal, 49 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 104 ProgramPointsBefore, 52 ProgramPointsAfterwards, 100 TransitionsBefore, 47 TransitionsAfterwards, 5520 CoEnabledTransitionPairs, 5 FixpointIterations, 10 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 2516 VarBasedMoverChecksPositive, 102 VarBasedMoverChecksNegative, 48 SemBasedMoverChecksPositive, 123 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 12937 CheckedPairsTotal, 60 TotalNumberOfCompositions - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; [L21] 0 static int s = 0; [L30] 0 int i; [L31] 0 pthread_t tid; [L34] 0 i = 0 VAL [g=0, s=0] [L34] EXPR 0 \read(i) [L34] COND TRUE 0 i < 3 [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, s=0, vargp={3:0}] [L20] 1 int *myid = (int *)vargp; [L22] 1 ++s [L22] 1 ++g VAL [++g=1, g=0, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L22] 1 ++g VAL [g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L24] 1 \read(*myid) VAL [\read(*myid)=0, g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L34] EXPR 0 \read(i) [L34] 0 i++ [L34] EXPR 0 \read(i) [L34] COND TRUE 0 i < 3 [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [\read(*myid)=0, g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L20] 2 int *myid = (int *)vargp; [L22] 2 ++s VAL [\read(*myid)=0, g=1, myid={3:0}, s=2, vargp={3:0}, vargp={3:0}] [L24] 1 ++s VAL [++s=3, \read(*myid)=0, g=1, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] [L24] 1 ++g VAL [++s=3, \read(*myid)=0, g=2, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] [L25] 1 CodeAnnotStmt[Assertion] VAL [g=2, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.9s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 137 SDtfs, 317 SDslu, 501 SDs, 0 SdLazy, 177 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13894occurred 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: 1.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 1932 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...