/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-SP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:25:29,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:25:29,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:25:29,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:25:29,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:25:29,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:25:29,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:25:29,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:25:29,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:25:29,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:25:29,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:25:29,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:25:29,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:25:29,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:25:29,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:25:29,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:25:29,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:25:29,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:25:29,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:25:29,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:25:29,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:25:29,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:25:29,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:25:29,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:25:29,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 02:25:29,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:25:29,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:25:29,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:25:29,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:25:29,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:25:29,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:25:29,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:25:29,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:25:29,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:25:29,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:25:29,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:25:29,456 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-SP.epf [2020-10-22 02:25:29,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:25:29,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:25:29,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:25:29,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:25:29,482 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:25:29,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:25:29,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:25:29,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:25:29,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:25:29,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:25:29,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:25:29,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:25:29,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:25:29,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:25:29,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:25:29,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:25:29,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:25:29,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:25:29,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:25:29,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:25:29,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:25:29,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:25:29,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:25:29,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:25:29,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:25:29,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:25:29,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:25:29,487 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:25:29,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:25:29,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:25:29,487 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:25:29,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:25:29,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:25:29,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:25:29,848 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:25:29,848 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:25:29,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-10-22 02:25:29,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95da80342/c4e8008d3d944dec858d13ebabc49706/FLAG82fbecfac [2020-10-22 02:25:30,568 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:25:30,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-10-22 02:25:30,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95da80342/c4e8008d3d944dec858d13ebabc49706/FLAG82fbecfac [2020-10-22 02:25:30,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95da80342/c4e8008d3d944dec858d13ebabc49706 [2020-10-22 02:25:30,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:25:30,755 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:25:30,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:25:30,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:25:30,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:25:30,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:25:30" (1/1) ... [2020-10-22 02:25:30,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61525b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:30, skipping insertion in model container [2020-10-22 02:25:30,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:25:30" (1/1) ... [2020-10-22 02:25:30,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:25:30,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:25:31,052 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 02:25:31,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:25:31,649 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:25:31,665 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 02:25:31,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:25:32,099 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:25:32,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32 WrapperNode [2020-10-22 02:25:32,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:25:32,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:25:32,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:25:32,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:25:32,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:25:32,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:25:32,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:25:32,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:25:32,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (1/1) ... [2020-10-22 02:25:32,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:25:32,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:25:32,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:25:32,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:25:32,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (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 02:25:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:25:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-22 02:25:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-22 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:25:32,398 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 02:25:33,182 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:25:33,182 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-22 02:25:33,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:25:33 BoogieIcfgContainer [2020-10-22 02:25:33,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:25:33,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:25:33,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:25:33,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:25:33,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:25:30" (1/3) ... [2020-10-22 02:25:33,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2165e2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:25:33, skipping insertion in model container [2020-10-22 02:25:33,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:25:32" (2/3) ... [2020-10-22 02:25:33,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2165e2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:25:33, skipping insertion in model container [2020-10-22 02:25:33,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:25:33" (3/3) ... [2020-10-22 02:25:33,194 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2020-10-22 02:25:33,207 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:25:33,207 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:25:33,216 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-22 02:25:33,217 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:25:33,251 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,251 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,251 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,252 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,252 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,252 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,254 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,254 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,254 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,254 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,255 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,255 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,255 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,255 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,255 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,256 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,256 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,256 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,256 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,257 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,257 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,257 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,257 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,258 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,258 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,258 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,258 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,259 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,259 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,259 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,260 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,260 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,260 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,260 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,261 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,261 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,261 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,261 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,261 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,263 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,263 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,263 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,263 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,263 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,264 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,264 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,264 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,264 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,265 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,265 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,265 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,265 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,266 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,266 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,266 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,266 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,267 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,267 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,267 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,267 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,271 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,271 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,271 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,272 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,272 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,272 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,272 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,273 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,273 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,273 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,273 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,274 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,277 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,277 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,277 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,278 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,279 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,279 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:25:33,291 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 02:25:33,306 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-22 02:25:33,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:25:33,328 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:25:33,328 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:25:33,329 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:25:33,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:25:33,329 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:25:33,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:25:33,329 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:25:33,348 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:25:33,349 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-22 02:25:33,352 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-22 02:25:33,354 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 161 places, 167 transitions, 356 flow [2020-10-22 02:25:33,458 INFO L129 PetriNetUnfolder]: 15/221 cut-off events. [2020-10-22 02:25:33,459 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 02:25:33,464 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 541 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 109. Up to 4 conditions per place. [2020-10-22 02:25:33,470 INFO L116 LiptonReduction]: Number of co-enabled transitions 3780 [2020-10-22 02:25:35,505 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 02:25:35,541 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:35,546 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 02:25:35,573 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:35,575 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 02:25:35,575 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-10-22 02:25:36,151 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 02:25:36,169 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:36,174 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 02:25:36,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:36,191 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 02:25:36,191 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-10-22 02:25:36,500 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 02:25:36,525 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 02:25:36,624 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:36,633 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 02:25:36,715 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:36,717 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 02:25:36,717 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:178, output treesize:160 [2020-10-22 02:25:37,178 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2020-10-22 02:25:37,285 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-10-22 02:25:37,466 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-22 02:25:37,483 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 02:25:37,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:37,559 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 02:25:37,619 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:25:37,620 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 02:25:37,621 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:138, output treesize:110 [2020-10-22 02:25:37,858 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 02:25:38,025 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 02:25:38,409 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-22 02:25:38,528 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-22 02:25:39,791 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 144 DAG size of output: 142 [2020-10-22 02:25:40,350 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-22 02:25:41,376 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 142 [2020-10-22 02:25:41,820 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-22 02:25:41,834 INFO L131 LiptonReduction]: Checked pairs total: 10223 [2020-10-22 02:25:41,834 INFO L133 LiptonReduction]: Total number of compositions: 182 [2020-10-22 02:25:41,839 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 110 flow [2020-10-22 02:25:41,877 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 645 states. [2020-10-22 02:25:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states. [2020-10-22 02:25:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:25:41,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:25:41,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:25:41,887 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 02:25:41,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:25:41,893 INFO L82 PathProgramCache]: Analyzing trace with hash 20887644, now seen corresponding path program 1 times [2020-10-22 02:25:41,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:25:41,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368605285] [2020-10-22 02:25:41,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:25:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:25:42,310 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 02:25:42,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368605285] [2020-10-22 02:25:42,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:25:42,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:25:42,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [70973063] [2020-10-22 02:25:42,314 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:25:42,316 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:25:42,329 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:25:42,330 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:25:42,334 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:25:42,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:25:42,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:25:42,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:25:42,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:25:42,352 INFO L87 Difference]: Start difference. First operand 645 states. Second operand 3 states. [2020-10-22 02:25:42,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:25:42,498 INFO L93 Difference]: Finished difference Result 800 states and 2018 transitions. [2020-10-22 02:25:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:25:42,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:25:42,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:25:42,524 INFO L225 Difference]: With dead ends: 800 [2020-10-22 02:25:42,524 INFO L226 Difference]: Without dead ends: 761 [2020-10-22 02:25:42,525 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 02:25:42,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-10-22 02:25:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 665. [2020-10-22 02:25:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2020-10-22 02:25:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 1667 transitions. [2020-10-22 02:25:42,634 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 1667 transitions. Word has length 4 [2020-10-22 02:25:42,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:25:42,635 INFO L481 AbstractCegarLoop]: Abstraction has 665 states and 1667 transitions. [2020-10-22 02:25:42,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:25:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1667 transitions. [2020-10-22 02:25:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:25:42,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:25:42,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:25:42,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:25:42,636 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 02:25:42,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:25:42,637 INFO L82 PathProgramCache]: Analyzing trace with hash 20918478, now seen corresponding path program 1 times [2020-10-22 02:25:42,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:25:42,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520353038] [2020-10-22 02:25:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:25:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:25:42,726 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 02:25:42,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520353038] [2020-10-22 02:25:42,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:25:42,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:25:42,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [418696864] [2020-10-22 02:25:42,728 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:25:42,729 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:25:42,730 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:25:42,730 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:25:42,730 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:25:42,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:25:42,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:25:42,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:25:42,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:25:42,760 INFO L87 Difference]: Start difference. First operand 665 states and 1667 transitions. Second operand 3 states. [2020-10-22 02:25:42,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:25:42,791 INFO L93 Difference]: Finished difference Result 660 states and 1662 transitions. [2020-10-22 02:25:42,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:25:42,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:25:42,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:25:42,797 INFO L225 Difference]: With dead ends: 660 [2020-10-22 02:25:42,797 INFO L226 Difference]: Without dead ends: 660 [2020-10-22 02:25:42,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:25:42,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-10-22 02:25:42,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2020-10-22 02:25:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-10-22 02:25:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1662 transitions. [2020-10-22 02:25:42,833 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1662 transitions. Word has length 4 [2020-10-22 02:25:42,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:25:42,833 INFO L481 AbstractCegarLoop]: Abstraction has 660 states and 1662 transitions. [2020-10-22 02:25:42,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:25:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1662 transitions. [2020-10-22 02:25:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 02:25:42,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:25:42,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 02:25:42,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:25:42,835 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 02:25:42,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:25:42,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1401845270, now seen corresponding path program 1 times [2020-10-22 02:25:42,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:25:42,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977440579] [2020-10-22 02:25:42,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:25:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:25:42,935 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 02:25:42,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977440579] [2020-10-22 02:25:42,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:25:42,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 02:25:42,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1660627653] [2020-10-22 02:25:42,937 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:25:42,937 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:25:42,938 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 02:25:42,939 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:25:42,939 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:25:42,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:25:42,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:25:42,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:25:42,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:25:42,940 INFO L87 Difference]: Start difference. First operand 660 states and 1662 transitions. Second operand 5 states. [2020-10-22 02:25:43,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:25:43,113 INFO L93 Difference]: Finished difference Result 816 states and 2006 transitions. [2020-10-22 02:25:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:25:43,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2020-10-22 02:25:43,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:25:43,120 INFO L225 Difference]: With dead ends: 816 [2020-10-22 02:25:43,120 INFO L226 Difference]: Without dead ends: 730 [2020-10-22 02:25:43,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:25:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-10-22 02:25:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 698. [2020-10-22 02:25:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-22 02:25:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1771 transitions. [2020-10-22 02:25:43,146 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1771 transitions. Word has length 6 [2020-10-22 02:25:43,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:25:43,146 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 1771 transitions. [2020-10-22 02:25:43,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:25:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1771 transitions. [2020-10-22 02:25:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:25:43,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:25:43,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:25:43,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:25:43,148 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 02:25:43,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:25:43,148 INFO L82 PathProgramCache]: Analyzing trace with hash 158338800, now seen corresponding path program 1 times [2020-10-22 02:25:43,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:25:43,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702392421] [2020-10-22 02:25:43,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:25:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:25:43,240 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 02:25:43,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702392421] [2020-10-22 02:25:43,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:25:43,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:25:43,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1484400498] [2020-10-22 02:25:43,242 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:25:43,244 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:25:43,245 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:25:43,245 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:25:43,246 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:25:43,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:25:43,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:25:43,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:25:43,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:25:43,247 INFO L87 Difference]: Start difference. First operand 698 states and 1771 transitions. Second operand 3 states. [2020-10-22 02:25:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:25:43,356 INFO L93 Difference]: Finished difference Result 898 states and 2265 transitions. [2020-10-22 02:25:43,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:25:43,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 02:25:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:25:43,364 INFO L225 Difference]: With dead ends: 898 [2020-10-22 02:25:43,365 INFO L226 Difference]: Without dead ends: 898 [2020-10-22 02:25:43,365 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 02:25:43,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-10-22 02:25:43,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 758. [2020-10-22 02:25:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-10-22 02:25:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1927 transitions. [2020-10-22 02:25:43,396 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1927 transitions. Word has length 8 [2020-10-22 02:25:43,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:25:43,398 INFO L481 AbstractCegarLoop]: Abstraction has 758 states and 1927 transitions. [2020-10-22 02:25:43,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:25:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1927 transitions. [2020-10-22 02:25:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:25:43,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:25:43,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:25:43,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:25:43,400 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 02:25:43,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:25:43,401 INFO L82 PathProgramCache]: Analyzing trace with hash 613535916, now seen corresponding path program 1 times [2020-10-22 02:25:43,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:25:43,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782772540] [2020-10-22 02:25:43,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:25:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:25:43,469 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 02:25:43,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782772540] [2020-10-22 02:25:43,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:25:43,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:25:43,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1906411678] [2020-10-22 02:25:43,470 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:25:43,472 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:25:43,473 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 02:25:43,473 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:25:43,474 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:25:43,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:25:43,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:25:43,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:25:43,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:25:43,475 INFO L87 Difference]: Start difference. First operand 758 states and 1927 transitions. Second operand 3 states. [2020-10-22 02:25:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:25:43,553 INFO L93 Difference]: Finished difference Result 926 states and 2337 transitions. [2020-10-22 02:25:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:25:43,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:25:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:25:43,560 INFO L225 Difference]: With dead ends: 926 [2020-10-22 02:25:43,560 INFO L226 Difference]: Without dead ends: 926 [2020-10-22 02:25:43,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:25:43,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-22 02:25:43,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 818. [2020-10-22 02:25:43,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-22 02:25:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 2115 transitions. [2020-10-22 02:25:43,593 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 2115 transitions. Word has length 9 [2020-10-22 02:25:43,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:25:43,593 INFO L481 AbstractCegarLoop]: Abstraction has 818 states and 2115 transitions. [2020-10-22 02:25:43,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:25:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2115 transitions. [2020-10-22 02:25:43,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:25:43,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:25:43,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:25:43,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:25:43,596 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 02:25:43,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:25:43,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1818517674, now seen corresponding path program 1 times [2020-10-22 02:25:43,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:25:43,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303081758] [2020-10-22 02:25:43,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:25:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:25:43,656 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 02:25:43,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303081758] [2020-10-22 02:25:43,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:25:43,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:25:43,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2092118806] [2020-10-22 02:25:43,658 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:25:43,659 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:25:43,662 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 18 transitions. [2020-10-22 02:25:43,662 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:25:43,689 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:25:43,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:25:43,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:25:43,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:25:43,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:25:43,691 INFO L87 Difference]: Start difference. First operand 818 states and 2115 transitions. Second operand 3 states. [2020-10-22 02:25:43,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:25:43,714 INFO L93 Difference]: Finished difference Result 498 states and 1267 transitions. [2020-10-22 02:25:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:25:43,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 02:25:43,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:25:43,718 INFO L225 Difference]: With dead ends: 498 [2020-10-22 02:25:43,719 INFO L226 Difference]: Without dead ends: 498 [2020-10-22 02:25:43,719 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 02:25:43,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-22 02:25:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2020-10-22 02:25:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-22 02:25:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 1267 transitions. [2020-10-22 02:25:43,735 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 1267 transitions. Word has length 10 [2020-10-22 02:25:43,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:25:43,735 INFO L481 AbstractCegarLoop]: Abstraction has 498 states and 1267 transitions. [2020-10-22 02:25:43,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:25:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 1267 transitions. [2020-10-22 02:25:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:25:43,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:25:43,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:25:43,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:25:43,737 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 02:25:43,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:25:43,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1877592348, now seen corresponding path program 1 times [2020-10-22 02:25:43,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:25:43,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219198648] [2020-10-22 02:25:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:25:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:25:43,782 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:25:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:25:43,814 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:25:43,846 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:25:43,846 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:25:43,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 02:25:43,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:25:43 BasicIcfg [2020-10-22 02:25:43,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:25:43,889 INFO L168 Benchmark]: Toolchain (without parser) took 13139.23 ms. Allocated memory was 137.9 MB in the beginning and 329.8 MB in the end (delta: 191.9 MB). Free memory was 97.3 MB in the beginning and 114.7 MB in the end (delta: -17.4 MB). Peak memory consumption was 174.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:25:43,890 INFO L168 Benchmark]: CDTParser took 3.16 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:25:43,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1345.11 ms. Allocated memory was 137.9 MB in the beginning and 231.7 MB in the end (delta: 93.8 MB). Free memory was 96.5 MB in the beginning and 171.3 MB in the end (delta: -74.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-10-22 02:25:43,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.19 ms. Allocated memory is still 231.7 MB. Free memory was 171.3 MB in the beginning and 168.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:25:43,892 INFO L168 Benchmark]: Boogie Preprocessor took 72.70 ms. Allocated memory is still 231.7 MB. Free memory was 168.3 MB in the beginning and 165.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:25:43,893 INFO L168 Benchmark]: RCFGBuilder took 865.70 ms. Allocated memory is still 231.7 MB. Free memory was 165.3 MB in the beginning and 100.5 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. [2020-10-22 02:25:43,894 INFO L168 Benchmark]: TraceAbstraction took 10700.51 ms. Allocated memory was 231.7 MB in the beginning and 329.8 MB in the end (delta: 98.0 MB). Free memory was 100.5 MB in the beginning and 114.7 MB in the end (delta: -14.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-10-22 02:25:43,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.16 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1345.11 ms. Allocated memory was 137.9 MB in the beginning and 231.7 MB in the end (delta: 93.8 MB). Free memory was 96.5 MB in the beginning and 171.3 MB in the end (delta: -74.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 144.19 ms. Allocated memory is still 231.7 MB. Free memory was 171.3 MB in the beginning and 168.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.70 ms. Allocated memory is still 231.7 MB. Free memory was 168.3 MB in the beginning and 165.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 865.70 ms. Allocated memory is still 231.7 MB. Free memory was 165.3 MB in the beginning and 100.5 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10700.51 ms. Allocated memory was 231.7 MB in the beginning and 329.8 MB in the end (delta: 98.0 MB). Free memory was 100.5 MB in the beginning and 114.7 MB in the end (delta: -14.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2059 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 106 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.4s, 161 PlacesBefore, 45 PlacesAfterwards, 167 TransitionsBefore, 44 TransitionsAfterwards, 3780 CoEnabledTransitionPairs, 7 FixpointIterations, 85 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 21 ConcurrentYvCompositions, 7 ChoiceCompositions, 182 TotalNumberOfCompositions, 10223 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={7:24}, t1={6:0}, t2={9:0}] [L1707] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={6:0}, t2={9:0}] [L1708] 0 return 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) );}) [L1742] 0 probe_ret = my_drv_probe(&data) [L1743] COND TRUE 0 probe_ret==0 [L1714] 0 void *status; [L1716] 0 data->shared.a = 3 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={9:0}] [L1719] 0 data->shared.b = 3 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={9:0}] [L1722] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1671] COND FALSE 0 !(0) [L1671] 0 __assert_fail ("0", "race-2_4-container_of.c", 14, __extension__ __PRETTY_FUNCTION__) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, 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: 10.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.5s, HoareTripleCheckerStatistics: 248 SDtfs, 75 SDslu, 146 SDs, 0 SdLazy, 214 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=818occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 376 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 822 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...