/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_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:47:01,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:47:01,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:47:01,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:47:01,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:47:01,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:47:01,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:47:01,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:47:01,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:47:01,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:47:01,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:47:01,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:47:01,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:47:01,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:47:01,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:47:01,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:47:01,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:47:01,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:47:01,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:47:01,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:47:01,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:47:01,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:47:01,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:47:01,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:47:01,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 00:47:01,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 00:47:01,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 00:47:01,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 00:47:01,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 00:47:01,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 00:47:01,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:47:01,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:47:01,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:47:01,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:47:01,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:47:01,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:47:01,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:47:01,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:47:01,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:47:01,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:47:01,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:47:01,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:47:01,938 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:47:01,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:47:01,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:47:01,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:47:01,941 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:47:01,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:47:01,941 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:47:01,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:47:01,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:47:01,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:47:01,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:47:01,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:47:01,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:47:01,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:47:01,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:47:01,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:47:01,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:47:01,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:47:01,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:47:01,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:47:01,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:47:01,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:47:01,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:47:01,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:47:01,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:47:01,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:47:01,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:47:01,946 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:47:01,946 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:47:01,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:47:01,947 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:47:02,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:47:02,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:47:02,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:47:02,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:47:02,321 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:47:02,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-22 00:47:02,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcb38e60/c520d4c78bd04e4aa45058ae5272b65b/FLAG8a9f2eaa3 [2020-10-22 00:47:03,027 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:47:03,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-22 00:47:03,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcb38e60/c520d4c78bd04e4aa45058ae5272b65b/FLAG8a9f2eaa3 [2020-10-22 00:47:03,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcb38e60/c520d4c78bd04e4aa45058ae5272b65b [2020-10-22 00:47:03,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:47:03,257 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:47:03,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:47:03,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:47:03,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:47:03,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:47:03" (1/1) ... [2020-10-22 00:47:03,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a436e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:03, skipping insertion in model container [2020-10-22 00:47:03,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:47:03" (1/1) ... [2020-10-22 00:47:03,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:47:03,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:47:03,524 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 00:47:04,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:47:04,193 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:47:04,207 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 00:47:04,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:47:04,594 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:47:04,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04 WrapperNode [2020-10-22 00:47:04,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:47:04,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:47:04,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:47:04,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:47:04,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:47:04,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:47:04,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:47:04,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:47:04,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... [2020-10-22 00:47:04,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:47:04,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:47:04,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:47:04,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:47:04,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:47:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:47:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:47:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:47:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 00:47:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 00:47:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 00:47:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:47:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:47:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-22 00:47:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-22 00:47:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:47:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:47:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:47:04,837 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:47:05,698 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:47:05,699 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-22 00:47:05,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:47:05 BoogieIcfgContainer [2020-10-22 00:47:05,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:47:05,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:47:05,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:47:05,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:47:05,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:47:03" (1/3) ... [2020-10-22 00:47:05,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7489edb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:47:05, skipping insertion in model container [2020-10-22 00:47:05,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:47:04" (2/3) ... [2020-10-22 00:47:05,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7489edb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:47:05, skipping insertion in model container [2020-10-22 00:47:05,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:47:05" (3/3) ... [2020-10-22 00:47:05,712 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2020-10-22 00:47:05,726 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:47:05,726 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:47:05,735 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-22 00:47:05,736 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:47:05,773 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,773 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,773 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,774 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,774 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,774 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,775 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,775 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,775 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,775 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,776 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,776 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,776 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,776 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,777 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,777 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,777 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,777 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,778 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,778 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,778 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,778 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,779 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,779 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,779 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,779 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,780 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,780 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,780 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,780 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,781 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,781 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,781 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,782 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,782 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,782 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,783 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,783 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,783 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,784 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,784 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,784 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,784 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,785 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,785 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,785 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,785 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,785 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,786 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,786 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,786 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,786 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,787 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,787 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,787 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,787 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,788 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,788 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,788 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,788 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,789 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,789 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,789 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,789 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,790 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,790 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,790 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,790 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,791 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,791 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,795 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,796 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,796 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,796 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,796 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,797 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,797 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,797 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,797 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,798 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,798 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,798 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,804 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,804 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,805 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,805 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,805 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,805 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,806 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,806 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,806 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,806 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,807 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,807 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:47:05,818 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 00:47:05,834 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-22 00:47:05,859 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:47:05,859 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:47:05,859 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:47:05,859 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:47:05,860 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:47:05,860 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:47:05,860 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:47:05,860 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:47:05,880 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:47:05,881 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-22 00:47:05,885 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-22 00:47:05,887 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 161 places, 167 transitions, 356 flow [2020-10-22 00:47:06,009 INFO L129 PetriNetUnfolder]: 15/221 cut-off events. [2020-10-22 00:47:06,009 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 00:47:06,016 INFO L80 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 221 events. 15/221 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 500 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2020-10-22 00:47:06,023 INFO L116 LiptonReduction]: Number of co-enabled transitions 3780 [2020-10-22 00:47:07,839 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:07,876 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:47:07,881 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:07,903 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:47:07,905 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:07,905 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:78 [2020-10-22 00:47:08,311 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-10-22 00:47:08,749 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:08,774 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:47:08,778 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:08,795 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:47:08,796 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:08,797 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-22 00:47:09,368 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-10-22 00:47:09,780 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-22 00:47:09,812 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:09,883 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:47:09,891 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:47:09,961 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:47:09,962 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. [2020-10-22 00:47:09,963 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:148, output treesize:160 [2020-10-22 00:47:10,073 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-22 00:47:10,659 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-22 00:47:10,806 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-22 00:47:11,497 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-22 00:47:12,128 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-22 00:47:12,552 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-22 00:47:12,946 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-22 00:47:13,185 INFO L131 LiptonReduction]: Checked pairs total: 10003 [2020-10-22 00:47:13,185 INFO L133 LiptonReduction]: Total number of compositions: 185 [2020-10-22 00:47:13,191 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 110 flow [2020-10-22 00:47:13,223 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 495 states. [2020-10-22 00:47:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states. [2020-10-22 00:47:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 00:47:13,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:47:13,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 00:47:13,234 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]=== [2020-10-22 00:47:13,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:47:13,241 INFO L82 PathProgramCache]: Analyzing trace with hash 20825981, now seen corresponding path program 1 times [2020-10-22 00:47:13,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:47:13,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354303228] [2020-10-22 00:47:13,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:47:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:47:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:47:13,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354303228] [2020-10-22 00:47:13,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:47:13,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:47:13,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1131454937] [2020-10-22 00:47:13,696 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:47:13,699 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:47:13,716 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 00:47:13,716 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:47:13,722 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:47:13,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:47:13,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:47:13,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:47:13,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:47:13,743 INFO L87 Difference]: Start difference. First operand 495 states. Second operand 3 states. [2020-10-22 00:47:13,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:47:13,890 INFO L93 Difference]: Finished difference Result 650 states and 1568 transitions. [2020-10-22 00:47:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:47:13,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 00:47:13,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:47:13,914 INFO L225 Difference]: With dead ends: 650 [2020-10-22 00:47:13,914 INFO L226 Difference]: Without dead ends: 612 [2020-10-22 00:47:13,916 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 [2020-10-22 00:47:13,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-22 00:47:14,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 516. [2020-10-22 00:47:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-22 00:47:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1218 transitions. [2020-10-22 00:47:14,014 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1218 transitions. Word has length 4 [2020-10-22 00:47:14,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:47:14,014 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 1218 transitions. [2020-10-22 00:47:14,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:47:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1218 transitions. [2020-10-22 00:47:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 00:47:14,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:47:14,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 00:47:14,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:47:14,016 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]=== [2020-10-22 00:47:14,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:47:14,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1461059087, now seen corresponding path program 1 times [2020-10-22 00:47:14,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:47:14,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628281483] [2020-10-22 00:47:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:47:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:47:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:47:14,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628281483] [2020-10-22 00:47:14,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:47:14,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:47:14,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1502734137] [2020-10-22 00:47:14,134 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:47:14,136 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:47:14,138 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 00:47:14,138 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:47:14,138 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:47:14,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:47:14,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:47:14,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:47:14,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:47:14,142 INFO L87 Difference]: Start difference. First operand 516 states and 1218 transitions. Second operand 4 states. [2020-10-22 00:47:14,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:47:14,346 INFO L93 Difference]: Finished difference Result 672 states and 1562 transitions. [2020-10-22 00:47:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:47:14,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-22 00:47:14,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:47:14,351 INFO L225 Difference]: With dead ends: 672 [2020-10-22 00:47:14,351 INFO L226 Difference]: Without dead ends: 586 [2020-10-22 00:47:14,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:47:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-10-22 00:47:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 554. [2020-10-22 00:47:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-22 00:47:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 1327 transitions. [2020-10-22 00:47:14,388 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 1327 transitions. Word has length 6 [2020-10-22 00:47:14,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:47:14,388 INFO L481 AbstractCegarLoop]: Abstraction has 554 states and 1327 transitions. [2020-10-22 00:47:14,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:47:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1327 transitions. [2020-10-22 00:47:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:47:14,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:47:14,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:47:14,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:47:14,391 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]=== [2020-10-22 00:47:14,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:47:14,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2136084153, now seen corresponding path program 1 times [2020-10-22 00:47:14,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:47:14,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606970948] [2020-10-22 00:47:14,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:47:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:47:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:47:14,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606970948] [2020-10-22 00:47:14,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:47:14,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:47:14,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [79666664] [2020-10-22 00:47:14,475 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:47:14,480 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:47:14,484 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 18 transitions. [2020-10-22 00:47:14,484 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:47:14,573 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:47:14,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:47:14,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:47:14,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:47:14,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:47:14,575 INFO L87 Difference]: Start difference. First operand 554 states and 1327 transitions. Second operand 3 states. [2020-10-22 00:47:14,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:47:14,593 INFO L93 Difference]: Finished difference Result 234 states and 479 transitions. [2020-10-22 00:47:14,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:47:14,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 00:47:14,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:47:14,596 INFO L225 Difference]: With dead ends: 234 [2020-10-22 00:47:14,596 INFO L226 Difference]: Without dead ends: 234 [2020-10-22 00:47:14,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:47:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-22 00:47:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-10-22 00:47:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-22 00:47:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 479 transitions. [2020-10-22 00:47:14,605 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 479 transitions. Word has length 10 [2020-10-22 00:47:14,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:47:14,605 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 479 transitions. [2020-10-22 00:47:14,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:47:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 479 transitions. [2020-10-22 00:47:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 00:47:14,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:47:14,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:47:14,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:47:14,608 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]=== [2020-10-22 00:47:14,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:47:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2000525050, now seen corresponding path program 1 times [2020-10-22 00:47:14,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:47:14,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737951744] [2020-10-22 00:47:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:47:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:47:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:47:14,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737951744] [2020-10-22 00:47:14,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:47:14,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:47:14,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1239420830] [2020-10-22 00:47:14,727 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:47:14,733 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:47:14,782 INFO L252 McrAutomatonBuilder]: Finished intersection with 24 states and 30 transitions. [2020-10-22 00:47:14,782 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:47:14,792 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:47:14,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:47:14,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:47:14,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:47:14,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:47:14,794 INFO L87 Difference]: Start difference. First operand 234 states and 479 transitions. Second operand 3 states. [2020-10-22 00:47:14,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:47:14,899 INFO L93 Difference]: Finished difference Result 279 states and 550 transitions. [2020-10-22 00:47:14,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:47:14,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-22 00:47:14,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:47:14,902 INFO L225 Difference]: With dead ends: 279 [2020-10-22 00:47:14,902 INFO L226 Difference]: Without dead ends: 279 [2020-10-22 00:47:14,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:47:14,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-22 00:47:14,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 246. [2020-10-22 00:47:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-22 00:47:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 499 transitions. [2020-10-22 00:47:14,911 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 499 transitions. Word has length 16 [2020-10-22 00:47:14,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:47:14,912 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 499 transitions. [2020-10-22 00:47:14,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:47:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 499 transitions. [2020-10-22 00:47:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 00:47:14,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:47:14,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:47:14,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:47:14,920 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]=== [2020-10-22 00:47:14,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:47:14,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1886734040, now seen corresponding path program 1 times [2020-10-22 00:47:14,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:47:14,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453872838] [2020-10-22 00:47:14,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:47:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:47:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:47:15,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453872838] [2020-10-22 00:47:15,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:47:15,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:47:15,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2016799228] [2020-10-22 00:47:15,025 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:47:15,031 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:47:15,040 INFO L252 McrAutomatonBuilder]: Finished intersection with 25 states and 31 transitions. [2020-10-22 00:47:15,041 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:47:15,057 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:47:15,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:47:15,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:47:15,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:47:15,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:47:15,059 INFO L87 Difference]: Start difference. First operand 246 states and 499 transitions. Second operand 3 states. [2020-10-22 00:47:15,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:47:15,160 INFO L93 Difference]: Finished difference Result 283 states and 556 transitions. [2020-10-22 00:47:15,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:47:15,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 00:47:15,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:47:15,163 INFO L225 Difference]: With dead ends: 283 [2020-10-22 00:47:15,163 INFO L226 Difference]: Without dead ends: 283 [2020-10-22 00:47:15,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:47:15,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-22 00:47:15,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 258. [2020-10-22 00:47:15,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-22 00:47:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 527 transitions. [2020-10-22 00:47:15,174 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 527 transitions. Word has length 17 [2020-10-22 00:47:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:47:15,176 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 527 transitions. [2020-10-22 00:47:15,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:47:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 527 transitions. [2020-10-22 00:47:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 00:47:15,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:47:15,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:47:15,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:47:15,190 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-22 00:47:15,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:47:15,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1944938732, now seen corresponding path program 1 times [2020-10-22 00:47:15,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:47:15,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387136895] [2020-10-22 00:47:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:47:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:47:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:47:15,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387136895] [2020-10-22 00:47:15,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:47:15,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 00:47:15,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [542505785] [2020-10-22 00:47:15,448 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:47:15,453 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:47:15,467 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 44 transitions. [2020-10-22 00:47:15,467 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:47:15,837 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [6912#(not (= (select (select |#pthreadsMutex| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| (- 24))) 0)), 6913#(not (= (select (select |#pthreadsMutex| ULTIMATE.start_my_drv_probe_~d~0.base) (+ ULTIMATE.start_my_drv_probe_~d~0.offset (- 24))) 0))] [2020-10-22 00:47:15,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 00:47:15,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:47:15,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 00:47:15,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:47:15,838 INFO L87 Difference]: Start difference. First operand 258 states and 527 transitions. Second operand 8 states. [2020-10-22 00:47:16,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:47:16,037 INFO L93 Difference]: Finished difference Result 386 states and 777 transitions. [2020-10-22 00:47:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 00:47:16,038 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-22 00:47:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:47:16,040 INFO L225 Difference]: With dead ends: 386 [2020-10-22 00:47:16,041 INFO L226 Difference]: Without dead ends: 386 [2020-10-22 00:47:16,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-22 00:47:16,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-22 00:47:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 270. [2020-10-22 00:47:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-22 00:47:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 547 transitions. [2020-10-22 00:47:16,052 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 547 transitions. Word has length 18 [2020-10-22 00:47:16,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:47:16,053 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 547 transitions. [2020-10-22 00:47:16,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 00:47:16,053 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 547 transitions. [2020-10-22 00:47:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 00:47:16,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:47:16,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:47:16,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:47:16,055 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-22 00:47:16,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:47:16,055 INFO L82 PathProgramCache]: Analyzing trace with hash -391262360, now seen corresponding path program 2 times [2020-10-22 00:47:16,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:47:16,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141903171] [2020-10-22 00:47:16,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:47:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:47:16,113 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:47:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:47:16,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:47:16,227 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:47:16,228 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:47:16,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 00:47:16,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:47:16 BasicIcfg [2020-10-22 00:47:16,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:47:16,341 INFO L168 Benchmark]: Toolchain (without parser) took 13089.03 ms. Allocated memory was 139.5 MB in the beginning and 324.0 MB in the end (delta: 184.5 MB). Free memory was 98.8 MB in the beginning and 120.0 MB in the end (delta: -21.2 MB). Peak memory consumption was 163.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:47:16,342 INFO L168 Benchmark]: CDTParser took 3.37 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-22 00:47:16,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1337.14 ms. Allocated memory was 139.5 MB in the beginning and 236.5 MB in the end (delta: 97.0 MB). Free memory was 97.9 MB in the beginning and 177.4 MB in the end (delta: -79.5 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:47:16,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.66 ms. Allocated memory is still 236.5 MB. Free memory was 177.4 MB in the beginning and 174.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:47:16,345 INFO L168 Benchmark]: Boogie Preprocessor took 56.11 ms. Allocated memory is still 236.5 MB. Free memory was 174.4 MB in the beginning and 171.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:47:16,348 INFO L168 Benchmark]: RCFGBuilder took 965.23 ms. Allocated memory is still 236.5 MB. Free memory was 171.5 MB in the beginning and 106.3 MB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 7.1 GB. [2020-10-22 00:47:16,349 INFO L168 Benchmark]: TraceAbstraction took 10635.31 ms. Allocated memory was 236.5 MB in the beginning and 324.0 MB in the end (delta: 87.6 MB). Free memory was 106.3 MB in the beginning and 120.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2020-10-22 00:47:16,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.37 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1337.14 ms. Allocated memory was 139.5 MB in the beginning and 236.5 MB in the end (delta: 97.0 MB). Free memory was 97.9 MB in the beginning and 177.4 MB in the end (delta: -79.5 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.66 ms. Allocated memory is still 236.5 MB. Free memory was 177.4 MB in the beginning and 174.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.11 ms. Allocated memory is still 236.5 MB. Free memory was 174.4 MB in the beginning and 171.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 965.23 ms. Allocated memory is still 236.5 MB. Free memory was 171.5 MB in the beginning and 106.3 MB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10635.31 ms. Allocated memory was 236.5 MB in the beginning and 324.0 MB in the end (delta: 87.6 MB). Free memory was 106.3 MB in the beginning and 120.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1953 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 100 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.3s, 161 PlacesBefore, 45 PlacesAfterwards, 167 TransitionsBefore, 44 TransitionsAfterwards, 3780 CoEnabledTransitionPairs, 7 FixpointIterations, 76 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 24 ConcurrentYvCompositions, 7 ChoiceCompositions, 185 TotalNumberOfCompositions, 10003 MoverChecksTotal - CounterExampleResult [Line: 1671]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1732] 0 return 0; [L1738] 0 int ret = my_drv_init(); [L1739] COND TRUE 0 ret==0 [L1740] 0 int probe_ret; [L1741] 0 struct my_data data; [L1699] 0 struct device *d = &data->dev; [L1701] 0 data->shared.a = 0 [L1702] 0 data->shared.b = 0 [L1703] 0 int res = __VERIFIER_nondet_int(); [L1704] COND FALSE 0 !(\read(res)) [L1706] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={8:24}, t1={6:0}, t2={9:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1707] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1694] EXPR 1 data->shared.b VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, data->shared.b=0, dev={8:24}, t1={6:0}, t2={9:0}] [L1694] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, data->shared.b=0, dev={8:24}, t1={6:0}, t2={9:0}] [L1696] 1 return 0; [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1708] 0 return 0; [L1742] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1743] COND TRUE 0 probe_ret==0 [L1714] 0 void *status; [L1715] 0 \read(t1) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1715] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1717] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1693] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1720] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1723] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1671] COND FALSE 0 !(0) [L1671] 0 __assert_fail ("0", "race-2_5-container_of.c", 14, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 234 SDtfs, 216 SDslu, 182 SDs, 0 SdLazy, 202 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=554occurred in iteration=2, 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, 6 MinimizatonAttempts, 302 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 2990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...