/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-c7e336b [2020-10-06 01:16:38,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:16:38,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:16:38,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:16:38,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:16:38,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:16:38,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:16:38,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:16:38,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:16:38,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:16:38,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:16:38,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:16:38,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:16:38,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:16:38,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:16:38,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:16:38,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:16:38,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:16:38,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:16:38,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:16:38,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:16:38,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:16:38,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:16:38,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:16:38,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 01:16:38,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 01:16:38,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 01:16:38,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 01:16:38,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 01:16:38,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 01:16:38,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 01:16:38,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 01:16:38,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 01:16:38,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:16:38,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:16:38,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:16:38,301 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 [2020-10-06 01:16:38,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:16:38,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:16:38,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:16:38,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:16:38,331 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:16:38,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:16:38,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:16:38,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:16:38,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:16:38,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:16:38,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:16:38,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:16:38,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:16:38,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:16:38,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:16:38,333 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:16:38,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:16:38,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:16:38,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:16:38,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:16:38,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:16:38,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:16:38,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:16:38,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:16:38,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:16:38,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:16:38,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:16:38,337 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:16:38,338 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:16:38,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:16:38,338 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:16:38,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:16:38,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:16:38,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:16:38,665 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:16:38,665 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:16:38,666 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-06 01:16:38,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db50e35bd/1a03ff86485f4697bdcb5bb51920d115/FLAGa66976213 [2020-10-06 01:16:39,284 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:16:39,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-06 01:16:39,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db50e35bd/1a03ff86485f4697bdcb5bb51920d115/FLAGa66976213 [2020-10-06 01:16:39,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db50e35bd/1a03ff86485f4697bdcb5bb51920d115 [2020-10-06 01:16:39,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:16:39,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:16:39,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:16:39,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:16:39,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:16:39,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:16:39" (1/1) ... [2020-10-06 01:16:39,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90ef72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:39, skipping insertion in model container [2020-10-06 01:16:39,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:16:39" (1/1) ... [2020-10-06 01:16:39,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:16:39,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:16:40,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:16:40,373 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:16:40,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:16:40,785 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:16:40,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40 WrapperNode [2020-10-06 01:16:40,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:16:40,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:16:40,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:16:40,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:16:40,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:16:40,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:16:40,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:16:40,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:16:40,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (1/1) ... [2020-10-06 01:16:40,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:16:40,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:16:40,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:16:40,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:16:40,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (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 [2020-10-06 01:16:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:16:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-06 01:16:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-06 01:16:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-06 01:16:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:16:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:16:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-06 01:16:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-06 01:16:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:16:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:16:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-06 01:16:40,985 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 01:16:41,588 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:16:41,588 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-06 01:16:41,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:16:41 BoogieIcfgContainer [2020-10-06 01:16:41,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:16:41,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:16:41,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:16:41,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:16:41,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:16:39" (1/3) ... [2020-10-06 01:16:41,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5507bbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:16:41, skipping insertion in model container [2020-10-06 01:16:41,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:16:40" (2/3) ... [2020-10-06 01:16:41,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5507bbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:16:41, skipping insertion in model container [2020-10-06 01:16:41,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:16:41" (3/3) ... [2020-10-06 01:16:41,600 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2020-10-06 01:16:41,610 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:16:41,611 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:16:41,620 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-06 01:16:41,622 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:16:41,676 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,677 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,680 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,680 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,681 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,681 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,681 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,681 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,681 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,682 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,682 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,682 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,682 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,682 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,683 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,683 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,683 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,683 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,684 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,684 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,684 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,684 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,684 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,685 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,689 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,689 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,689 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,690 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,690 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,691 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,691 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,691 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,692 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,692 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,692 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,695 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,695 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,701 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,702 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,703 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,705 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,706 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,707 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,707 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,715 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,716 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,716 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,716 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,716 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,717 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,717 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,717 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,717 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,717 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,718 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,720 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,727 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,727 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,728 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,728 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,728 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,728 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,729 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,729 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,729 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,729 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,730 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,730 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:16:41,753 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-06 01:16:41,775 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:16:41,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:16:41,776 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:16:41,776 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:16:41,776 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:16:41,776 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:16:41,777 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:16:41,777 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:16:41,799 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 157 transitions, 336 flow [2020-10-06 01:16:41,801 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-06 01:16:41,926 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-10-06 01:16:41,927 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-06 01:16:41,941 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 215 events. 13/215 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 443 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-10-06 01:16:41,950 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-06 01:16:42,063 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-10-06 01:16:42,063 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-06 01:16:42,064 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 215 events. 13/215 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 443 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-10-06 01:16:42,073 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4004 [2020-10-06 01:16:42,074 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:16:42,292 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:42,315 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-06 01:16:42,325 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:42,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-06 01:16:42,341 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:42,342 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-06 01:16:44,328 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:44,357 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-06 01:16:44,363 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:44,385 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-06 01:16:44,386 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:44,387 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-06 01:16:44,910 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:45,016 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-06 01:16:45,017 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-06 01:16:45,025 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-06 01:16:45,130 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-06 01:16:45,131 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-06 01:16:45,132 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. [2020-10-06 01:16:45,132 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:148, output treesize:160 [2020-10-06 01:16:45,940 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-06 01:16:46,110 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-06 01:16:46,361 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-06 01:16:46,627 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-06 01:16:47,047 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-06 01:16:47,233 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-06 01:16:47,929 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2020-10-06 01:16:48,240 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-06 01:16:48,252 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8239 [2020-10-06 01:16:48,252 INFO L214 etLargeBlockEncoding]: Total number of compositions: 162 [2020-10-06 01:16:48,255 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 110 flow [2020-10-06 01:16:48,288 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 495 states. [2020-10-06 01:16:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states. [2020-10-06 01:16:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-06 01:16:48,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:16:48,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-06 01:16:48,322 INFO L427 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]=== [2020-10-06 01:16:48,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:16:48,326 INFO L82 PathProgramCache]: Analyzing trace with hash 17244891, now seen corresponding path program 1 times [2020-10-06 01:16:48,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:16:48,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797099956] [2020-10-06 01:16:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:16:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:16:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:16:48,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797099956] [2020-10-06 01:16:48,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:16:48,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:16:48,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1100980478] [2020-10-06 01:16:48,720 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:16:48,725 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:16:48,740 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-06 01:16:48,740 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:16:48,748 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:16:48,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:16:48,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:16:48,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:16:48,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:16:48,767 INFO L87 Difference]: Start difference. First operand 495 states. Second operand 3 states. [2020-10-06 01:16:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:16:48,922 INFO L93 Difference]: Finished difference Result 650 states and 1568 transitions. [2020-10-06 01:16:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:16:48,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-06 01:16:48,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:16:48,944 INFO L225 Difference]: With dead ends: 650 [2020-10-06 01:16:48,945 INFO L226 Difference]: Without dead ends: 612 [2020-10-06 01:16:48,946 INFO L675 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 [2020-10-06 01:16:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-06 01:16:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 516. [2020-10-06 01:16:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-06 01:16:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1218 transitions. [2020-10-06 01:16:49,046 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1218 transitions. Word has length 4 [2020-10-06 01:16:49,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:16:49,047 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 1218 transitions. [2020-10-06 01:16:49,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:16:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1218 transitions. [2020-10-06 01:16:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-06 01:16:49,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:16:49,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-06 01:16:49,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:16:49,048 INFO L427 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]=== [2020-10-06 01:16:49,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:16:49,049 INFO L82 PathProgramCache]: Analyzing trace with hash -607545483, now seen corresponding path program 1 times [2020-10-06 01:16:49,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:16:49,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274239312] [2020-10-06 01:16:49,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:16:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:16:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:16:49,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274239312] [2020-10-06 01:16:49,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:16:49,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:16:49,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [710966873] [2020-10-06 01:16:49,155 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:16:49,156 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:16:49,157 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-06 01:16:49,157 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:16:49,158 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:16:49,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:16:49,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:16:49,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:16:49,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:16:49,163 INFO L87 Difference]: Start difference. First operand 516 states and 1218 transitions. Second operand 4 states. [2020-10-06 01:16:49,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:16:49,319 INFO L93 Difference]: Finished difference Result 671 states and 1561 transitions. [2020-10-06 01:16:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:16:49,320 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-06 01:16:49,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:16:49,325 INFO L225 Difference]: With dead ends: 671 [2020-10-06 01:16:49,325 INFO L226 Difference]: Without dead ends: 586 [2020-10-06 01:16:49,326 INFO L675 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 [2020-10-06 01:16:49,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-10-06 01:16:49,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 554. [2020-10-06 01:16:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-06 01:16:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 1327 transitions. [2020-10-06 01:16:49,355 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 1327 transitions. Word has length 6 [2020-10-06 01:16:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:16:49,355 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 1327 transitions. [2020-10-06 01:16:49,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:16:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1327 transitions. [2020-10-06 01:16:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:16:49,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:16:49,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:16:49,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:16:49,358 INFO L427 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]=== [2020-10-06 01:16:49,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:16:49,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1181960415, now seen corresponding path program 1 times [2020-10-06 01:16:49,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:16:49,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525851911] [2020-10-06 01:16:49,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:16:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:16:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:16:49,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525851911] [2020-10-06 01:16:49,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:16:49,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:16:49,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1399930528] [2020-10-06 01:16:49,435 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:16:49,437 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:16:49,439 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 18 transitions. [2020-10-06 01:16:49,439 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:16:49,466 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:16:49,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:16:49,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:16:49,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:16:49,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:16:49,468 INFO L87 Difference]: Start difference. First operand 554 states and 1327 transitions. Second operand 3 states. [2020-10-06 01:16:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:16:49,487 INFO L93 Difference]: Finished difference Result 234 states and 479 transitions. [2020-10-06 01:16:49,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:16:49,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-06 01:16:49,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:16:49,490 INFO L225 Difference]: With dead ends: 234 [2020-10-06 01:16:49,490 INFO L226 Difference]: Without dead ends: 234 [2020-10-06 01:16:49,490 INFO L675 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 [2020-10-06 01:16:49,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-06 01:16:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-10-06 01:16:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-06 01:16:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 479 transitions. [2020-10-06 01:16:49,497 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 479 transitions. Word has length 10 [2020-10-06 01:16:49,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:16:49,498 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 479 transitions. [2020-10-06 01:16:49,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:16:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 479 transitions. [2020-10-06 01:16:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 01:16:49,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:16:49,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:16:49,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:16:49,501 INFO L427 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]=== [2020-10-06 01:16:49,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:16:49,501 INFO L82 PathProgramCache]: Analyzing trace with hash 998255413, now seen corresponding path program 1 times [2020-10-06 01:16:49,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:16:49,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317025946] [2020-10-06 01:16:49,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:16:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:16:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:16:49,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317025946] [2020-10-06 01:16:49,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:16:49,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:16:49,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [490564209] [2020-10-06 01:16:49,587 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:16:49,590 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:16:49,595 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 26 transitions. [2020-10-06 01:16:49,595 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:16:49,596 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:16:49,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:16:49,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:16:49,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:16:49,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:16:49,598 INFO L87 Difference]: Start difference. First operand 234 states and 479 transitions. Second operand 3 states. [2020-10-06 01:16:49,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:16:49,666 INFO L93 Difference]: Finished difference Result 279 states and 550 transitions. [2020-10-06 01:16:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:16:49,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-06 01:16:49,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:16:49,668 INFO L225 Difference]: With dead ends: 279 [2020-10-06 01:16:49,669 INFO L226 Difference]: Without dead ends: 279 [2020-10-06 01:16:49,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:16:49,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-06 01:16:49,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 246. [2020-10-06 01:16:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-06 01:16:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 499 transitions. [2020-10-06 01:16:49,677 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 499 transitions. Word has length 16 [2020-10-06 01:16:49,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:16:49,677 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 499 transitions. [2020-10-06 01:16:49,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:16:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 499 transitions. [2020-10-06 01:16:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 01:16:49,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:16:49,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:16:49,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 01:16:49,680 INFO L427 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]=== [2020-10-06 01:16:49,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:16:49,680 INFO L82 PathProgramCache]: Analyzing trace with hash 881145203, now seen corresponding path program 1 times [2020-10-06 01:16:49,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:16:49,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894266326] [2020-10-06 01:16:49,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:16:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:16:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:16:49,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894266326] [2020-10-06 01:16:49,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:16:49,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:16:49,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2138314009] [2020-10-06 01:16:49,755 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:16:49,759 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:16:49,765 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 27 transitions. [2020-10-06 01:16:49,765 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:16:49,766 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:16:49,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:16:49,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:16:49,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:16:49,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:16:49,767 INFO L87 Difference]: Start difference. First operand 246 states and 499 transitions. Second operand 3 states. [2020-10-06 01:16:49,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:16:49,825 INFO L93 Difference]: Finished difference Result 283 states and 556 transitions. [2020-10-06 01:16:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:16:49,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-06 01:16:49,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:16:49,828 INFO L225 Difference]: With dead ends: 283 [2020-10-06 01:16:49,828 INFO L226 Difference]: Without dead ends: 283 [2020-10-06 01:16:49,828 INFO L675 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 [2020-10-06 01:16:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-06 01:16:49,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 258. [2020-10-06 01:16:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-06 01:16:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 527 transitions. [2020-10-06 01:16:49,836 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 527 transitions. Word has length 17 [2020-10-06 01:16:49,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:16:49,836 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 527 transitions. [2020-10-06 01:16:49,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:16:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 527 transitions. [2020-10-06 01:16:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:16:49,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:16:49,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:16:49,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 01:16:49,838 INFO L427 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]=== [2020-10-06 01:16:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:16:49,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1369692559, now seen corresponding path program 1 times [2020-10-06 01:16:49,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:16:49,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047309247] [2020-10-06 01:16:49,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:16:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:16:49,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:16:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:16:49,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:16:49,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:16:49,986 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:16:49,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 01:16:50,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:16:50 BasicIcfg [2020-10-06 01:16:50,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:16:50,082 INFO L168 Benchmark]: Toolchain (without parser) took 10524.14 ms. Allocated memory was 136.8 MB in the beginning and 332.4 MB in the end (delta: 195.6 MB). Free memory was 96.6 MB in the beginning and 101.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 190.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:16:50,085 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-06 01:16:50,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1227.58 ms. Allocated memory was 136.8 MB in the beginning and 228.6 MB in the end (delta: 91.8 MB). Free memory was 96.4 MB in the beginning and 169.8 MB in the end (delta: -73.4 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-10-06 01:16:50,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.38 ms. Allocated memory is still 228.6 MB. Free memory was 169.8 MB in the beginning and 166.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-06 01:16:50,089 INFO L168 Benchmark]: Boogie Preprocessor took 48.40 ms. Allocated memory is still 228.6 MB. Free memory was 166.8 MB in the beginning and 163.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-06 01:16:50,090 INFO L168 Benchmark]: RCFGBuilder took 686.67 ms. Allocated memory is still 228.6 MB. Free memory was 163.9 MB in the beginning and 115.3 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2020-10-06 01:16:50,093 INFO L168 Benchmark]: TraceAbstraction took 8486.49 ms. Allocated memory was 228.6 MB in the beginning and 332.4 MB in the end (delta: 103.8 MB). Free memory was 115.3 MB in the beginning and 101.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:16:50,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1227.58 ms. Allocated memory was 136.8 MB in the beginning and 228.6 MB in the end (delta: 91.8 MB). Free memory was 96.4 MB in the beginning and 169.8 MB in the end (delta: -73.4 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 69.38 ms. Allocated memory is still 228.6 MB. Free memory was 169.8 MB in the beginning and 166.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.40 ms. Allocated memory is still 228.6 MB. Free memory was 166.8 MB in the beginning and 163.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 686.67 ms. Allocated memory is still 228.6 MB. Free memory was 163.9 MB in the beginning and 115.3 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8486.49 ms. Allocated memory was 228.6 MB in the beginning and 332.4 MB in the end (delta: 103.8 MB). Free memory was 115.3 MB in the beginning and 101.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 6.4s, 153 ProgramPointsBefore, 45 ProgramPointsAfterwards, 157 TransitionsBefore, 44 TransitionsAfterwards, 4004 CoEnabledTransitionPairs, 8 FixpointIterations, 66 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 23 ConcurrentYvCompositions, 5 ChoiceCompositions, 2183 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 8239 CheckedPairsTotal, 162 TotalNumberOfCompositions - 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={6:24}, t1={5:0}, t2={7:0}] [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) );}) [L1700] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1701] EXPR 1 data->shared.b VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={5:0}, t2={7:0}] [L1701] 1 data->shared.b = data->shared.b + 1 [L1703] 1 return 0; [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1696] 2 struct device *dev = (struct device*)arg; [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1715] 0 return 0; [L1741] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1742] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1723] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1700] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1724] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1725] 0 data->shared.a [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 183 SDtfs, 81 SDslu, 100 SDs, 0 SdLazy, 173 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...