/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:52:22,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:52:22,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:52:22,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:52:22,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:52:22,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:52:22,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:52:22,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:52:22,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:52:22,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:52:22,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:52:22,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:52:22,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:52:22,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:52:22,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:52:22,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:52:22,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:52:22,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:52:22,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:52:23,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:52:23,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:52:23,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:52:23,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:52:23,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:52:23,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:52:23,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:52:23,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:52:23,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:52:23,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:52:23,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:52:23,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:52:23,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:52:23,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:52:23,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:52:23,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:52:23,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:52:23,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:52:23,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:52:23,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:52:23,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:52:23,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:52:23,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:52:23,074 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:52:23,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:52:23,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:52:23,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:52:23,077 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:52:23,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:52:23,077 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:52:23,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:52:23,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:52:23,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:52:23,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:52:23,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:52:23,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:52:23,080 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:52:23,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:52:23,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:52:23,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:52:23,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:52:23,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:52:23,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:52:23,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:52:23,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:52:23,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:52:23,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:52:23,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:52:23,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:52:23,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:52:23,083 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:52:23,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:52:23,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:52:23,083 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:52:23,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:52:23,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:52:23,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:52:23,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:52:23,375 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:52:23,376 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-10-16 13:52:23,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4431cdacd/a22f58b174034cc6a3d01b6ba492e6fd/FLAG0f133a2f7 [2020-10-16 13:52:24,074 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:52:24,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-10-16 13:52:24,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4431cdacd/a22f58b174034cc6a3d01b6ba492e6fd/FLAG0f133a2f7 [2020-10-16 13:52:24,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4431cdacd/a22f58b174034cc6a3d01b6ba492e6fd [2020-10-16 13:52:24,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:52:24,309 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:52:24,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:52:24,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:52:24,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:52:24,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:24" (1/1) ... [2020-10-16 13:52:24,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2fb51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24, skipping insertion in model container [2020-10-16 13:52:24,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:24" (1/1) ... [2020-10-16 13:52:24,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:52:24,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:52:25,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:52:25,253 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:52:25,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:52:25,818 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:52:25,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25 WrapperNode [2020-10-16 13:52:25,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:52:25,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:52:25,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:52:25,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:52:25,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:52:25,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:52:25,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:52:25,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:52:25,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:52:25,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:52:25,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:52:25,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:52:25,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:52:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:52:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 13:52:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 13:52:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 13:52:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:52:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:52:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 13:52:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 13:52:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:52:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:52:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 13:52:26,113 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:52:26,804 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:52:26,805 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-16 13:52:26,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:26 BoogieIcfgContainer [2020-10-16 13:52:26,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:52:26,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:52:26,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:52:26,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:52:26,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:52:24" (1/3) ... [2020-10-16 13:52:26,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77edba6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:26, skipping insertion in model container [2020-10-16 13:52:26,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (2/3) ... [2020-10-16 13:52:26,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77edba6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:26, skipping insertion in model container [2020-10-16 13:52:26,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:26" (3/3) ... [2020-10-16 13:52:26,817 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2020-10-16 13:52:26,829 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:52:26,829 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:52:26,837 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 13:52:26,838 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:52:26,872 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,872 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,873 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,873 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,873 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,873 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,874 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,874 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,874 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,874 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,875 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,875 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,875 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,875 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,875 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,876 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,876 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,876 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,876 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,877 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,877 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,877 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,878 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,878 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,878 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,878 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,879 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,879 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,879 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,879 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,880 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,880 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,880 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,880 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,881 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,881 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,881 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,882 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,882 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,882 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,882 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,882 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,883 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,883 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,883 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,884 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,884 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,884 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,884 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,884 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,885 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,885 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,885 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,885 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,886 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,886 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,886 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,886 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,886 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,887 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,887 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,887 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,888 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,888 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,888 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,888 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,889 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,889 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,889 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,889 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,893 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,894 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,894 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,894 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,895 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,895 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,895 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,895 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,895 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,896 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,896 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,896 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,906 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,907 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,908 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,908 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,943 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 13:52:26,955 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 13:52:26,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:52:26,978 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:52:26,978 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:52:26,978 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:52:26,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:52:26,979 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:52:26,979 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:52:26,979 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:52:26,997 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:52:26,998 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 157 transitions, 336 flow [2020-10-16 13:52:27,001 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 157 transitions, 336 flow [2020-10-16 13:52:27,003 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-16 13:52:27,087 INFO L129 PetriNetUnfolder]: 11/195 cut-off events. [2020-10-16 13:52:27,087 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 13:52:27,095 INFO L80 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 195 events. 11/195 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 354 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-10-16 13:52:27,101 INFO L117 LiptonReduction]: Number of co-enabled transitions 4004 [2020-10-16 13:52:29,043 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:29,081 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:29,087 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:29,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:29,123 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:29,124 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:86 [2020-10-16 13:52:29,729 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:29,743 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:29,747 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:29,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:29,762 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:29,762 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 13:52:30,594 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-16 13:52:30,704 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-16 13:52:30,906 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 13:52:31,050 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 13:52:31,464 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-16 13:52:31,489 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:31,671 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 13:52:31,671 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:31,679 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:31,844 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 13:52:31,845 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:31,846 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 13:52:31,847 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:187, output treesize:199 [2020-10-16 13:52:31,999 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 13:52:32,617 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-10-16 13:52:32,883 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 13:52:33,685 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-10-16 13:52:34,044 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 13:52:34,959 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-10-16 13:52:35,377 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 13:52:35,887 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-10-16 13:52:36,129 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 13:52:36,143 INFO L132 LiptonReduction]: Checked pairs total: 9055 [2020-10-16 13:52:36,144 INFO L134 LiptonReduction]: Total number of compositions: 165 [2020-10-16 13:52:36,151 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 41 transitions, 104 flow [2020-10-16 13:52:36,195 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 566 states. [2020-10-16 13:52:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states. [2020-10-16 13:52:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-16 13:52:36,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:36,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-16 13:52:36,205 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:36,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:36,211 INFO L82 PathProgramCache]: Analyzing trace with hash 17219854, now seen corresponding path program 1 times [2020-10-16 13:52:36,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:36,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658486648] [2020-10-16 13:52:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:36,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658486648] [2020-10-16 13:52:36,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:36,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:36,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [494652696] [2020-10-16 13:52:36,699 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:36,702 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:36,716 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-16 13:52:36,717 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:36,722 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:36,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:36,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:36,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:36,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:36,742 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 3 states. [2020-10-16 13:52:36,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:36,894 INFO L93 Difference]: Finished difference Result 689 states and 1735 transitions. [2020-10-16 13:52:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:36,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-16 13:52:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:36,917 INFO L225 Difference]: With dead ends: 689 [2020-10-16 13:52:36,917 INFO L226 Difference]: Without dead ends: 651 [2020-10-16 13:52:36,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:36,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-16 13:52:37,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 587. [2020-10-16 13:52:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-16 13:52:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1469 transitions. [2020-10-16 13:52:37,044 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1469 transitions. Word has length 4 [2020-10-16 13:52:37,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:37,044 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 1469 transitions. [2020-10-16 13:52:37,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1469 transitions. [2020-10-16 13:52:37,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 13:52:37,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:37,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 13:52:37,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:52:37,046 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:37,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:37,046 INFO L82 PathProgramCache]: Analyzing trace with hash 533814255, now seen corresponding path program 1 times [2020-10-16 13:52:37,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:37,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234058375] [2020-10-16 13:52:37,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:37,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234058375] [2020-10-16 13:52:37,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:37,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:37,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2067870215] [2020-10-16 13:52:37,139 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:37,140 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:37,141 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 13:52:37,141 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:37,142 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:37,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:37,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:37,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:37,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:37,144 INFO L87 Difference]: Start difference. First operand 587 states and 1469 transitions. Second operand 3 states. [2020-10-16 13:52:37,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:37,243 INFO L93 Difference]: Finished difference Result 678 states and 1676 transitions. [2020-10-16 13:52:37,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:37,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 13:52:37,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:37,250 INFO L225 Difference]: With dead ends: 678 [2020-10-16 13:52:37,250 INFO L226 Difference]: Without dead ends: 662 [2020-10-16 13:52:37,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-10-16 13:52:37,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 630. [2020-10-16 13:52:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-16 13:52:37,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1591 transitions. [2020-10-16 13:52:37,283 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1591 transitions. Word has length 5 [2020-10-16 13:52:37,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:37,283 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 1591 transitions. [2020-10-16 13:52:37,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1591 transitions. [2020-10-16 13:52:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 13:52:37,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:37,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:37,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:52:37,285 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:37,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1596295839, now seen corresponding path program 1 times [2020-10-16 13:52:37,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:37,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074322764] [2020-10-16 13:52:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:37,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074322764] [2020-10-16 13:52:37,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:37,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:37,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [753382942] [2020-10-16 13:52:37,369 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:37,370 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:37,371 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-16 13:52:37,371 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:37,372 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:37,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:37,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:37,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:37,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:37,373 INFO L87 Difference]: Start difference. First operand 630 states and 1591 transitions. Second operand 3 states. [2020-10-16 13:52:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:37,476 INFO L93 Difference]: Finished difference Result 830 states and 2113 transitions. [2020-10-16 13:52:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:37,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 13:52:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:37,483 INFO L225 Difference]: With dead ends: 830 [2020-10-16 13:52:37,483 INFO L226 Difference]: Without dead ends: 830 [2020-10-16 13:52:37,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-16 13:52:37,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 690. [2020-10-16 13:52:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-16 13:52:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1747 transitions. [2020-10-16 13:52:37,510 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1747 transitions. Word has length 7 [2020-10-16 13:52:37,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:37,511 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 1747 transitions. [2020-10-16 13:52:37,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1747 transitions. [2020-10-16 13:52:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 13:52:37,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:37,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:37,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:52:37,513 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:37,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:37,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2054434731, now seen corresponding path program 1 times [2020-10-16 13:52:37,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:37,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947206661] [2020-10-16 13:52:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:37,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947206661] [2020-10-16 13:52:37,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:37,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:37,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1657150459] [2020-10-16 13:52:37,580 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:37,581 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:37,582 INFO L258 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-16 13:52:37,582 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:37,583 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:37,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:37,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:37,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:37,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:37,584 INFO L87 Difference]: Start difference. First operand 690 states and 1747 transitions. Second operand 3 states. [2020-10-16 13:52:37,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:37,684 INFO L93 Difference]: Finished difference Result 858 states and 2185 transitions. [2020-10-16 13:52:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:37,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-16 13:52:37,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:37,690 INFO L225 Difference]: With dead ends: 858 [2020-10-16 13:52:37,691 INFO L226 Difference]: Without dead ends: 858 [2020-10-16 13:52:37,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:37,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-10-16 13:52:37,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 750. [2020-10-16 13:52:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-16 13:52:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1935 transitions. [2020-10-16 13:52:37,718 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1935 transitions. Word has length 8 [2020-10-16 13:52:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:37,718 INFO L481 AbstractCegarLoop]: Abstraction has 750 states and 1935 transitions. [2020-10-16 13:52:37,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1935 transitions. [2020-10-16 13:52:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:52:37,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:37,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:37,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:52:37,722 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:37,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:37,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1883964846, now seen corresponding path program 1 times [2020-10-16 13:52:37,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:37,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562450454] [2020-10-16 13:52:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:37,798 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:37,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:37,877 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:52:37,878 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:52:37,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:52:37,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:52:37 BasicIcfg [2020-10-16 13:52:37,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:52:37,940 INFO L168 Benchmark]: Toolchain (without parser) took 13632.01 ms. Allocated memory was 144.7 MB in the beginning and 322.4 MB in the end (delta: 177.7 MB). Free memory was 99.0 MB in the beginning and 165.4 MB in the end (delta: -66.4 MB). Peak memory consumption was 111.4 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:37,941 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:52:37,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1510.52 ms. Allocated memory was 144.7 MB in the beginning and 235.9 MB in the end (delta: 91.2 MB). Free memory was 98.8 MB in the beginning and 170.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:37,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.91 ms. Allocated memory is still 235.9 MB. Free memory was 170.0 MB in the beginning and 167.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:37,943 INFO L168 Benchmark]: Boogie Preprocessor took 51.03 ms. Allocated memory is still 235.9 MB. Free memory was 167.0 MB in the beginning and 164.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:37,944 INFO L168 Benchmark]: RCFGBuilder took 816.88 ms. Allocated memory is still 235.9 MB. Free memory was 164.1 MB in the beginning and 114.3 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:37,945 INFO L168 Benchmark]: TraceAbstraction took 11129.25 ms. Allocated memory was 235.9 MB in the beginning and 322.4 MB in the end (delta: 86.5 MB). Free memory was 114.3 MB in the beginning and 165.4 MB in the end (delta: -51.1 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:37,949 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1510.52 ms. Allocated memory was 144.7 MB in the beginning and 235.9 MB in the end (delta: 91.2 MB). Free memory was 98.8 MB in the beginning and 170.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 117.91 ms. Allocated memory is still 235.9 MB. Free memory was 170.0 MB in the beginning and 167.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.03 ms. Allocated memory is still 235.9 MB. Free memory was 167.0 MB in the beginning and 164.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 816.88 ms. Allocated memory is still 235.9 MB. Free memory was 164.1 MB in the beginning and 114.3 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11129.25 ms. Allocated memory was 235.9 MB in the beginning and 322.4 MB in the end (delta: 86.5 MB). Free memory was 114.3 MB in the beginning and 165.4 MB in the end (delta: -51.1 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2146 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 100 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.1s, 153 PlacesBefore, 43 PlacesAfterwards, 157 TransitionsBefore, 41 TransitionsAfterwards, 4004 CoEnabledTransitionPairs, 7 FixpointIterations, 65 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 20 ConcurrentYvCompositions, 6 ChoiceCompositions, 165 TotalNumberOfCompositions, 9055 MoverChecksTotal - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; [L1731] 0 return 0; [L1737] 0 int ret = my_drv_init(); [L1738] COND TRUE 0 ret==0 [L1739] 0 int probe_ret; [L1740] 0 struct my_data data; [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={2:24}, t1={5:0}, t2={6:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, pthread_mutex_lock (&data->lock)=0, t1={5:0}, t2={6:0}] [L1715] 0 data->shared.a = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, pthread_mutex_lock (&data->lock)=0, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1716] 0 data->shared.b = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1717] 0 data->shared.a [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.2s, HoareTripleCheckerStatistics: 142 SDtfs, 38 SDslu, 40 SDs, 0 SdLazy, 157 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=750occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 344 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...