/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.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-17 14:15:57,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-17 14:15:57,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-17 14:15:57,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-17 14:15:57,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-17 14:15:57,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-17 14:15:57,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-17 14:15:57,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-17 14:15:57,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-17 14:15:57,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-17 14:15:57,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-17 14:15:57,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-17 14:15:57,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-17 14:15:57,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-17 14:15:57,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-17 14:15:57,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-17 14:15:57,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-17 14:15:57,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-17 14:15:57,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-17 14:15:57,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-17 14:15:57,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-17 14:15:57,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-17 14:15:57,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-17 14:15:57,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-17 14:15:57,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-17 14:15:57,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-17 14:15:57,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-17 14:15:57,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-17 14:15:57,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-17 14:15:57,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-17 14:15:57,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-17 14:15:57,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-17 14:15:57,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-17 14:15:57,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-17 14:15:57,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-17 14:15:57,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-17 14:15:57,137 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.epf [2020-09-17 14:15:57,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-17 14:15:57,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-17 14:15:57,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-17 14:15:57,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-17 14:15:57,190 INFO L138 SettingsManager]: * Use SBE=true [2020-09-17 14:15:57,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-17 14:15:57,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-17 14:15:57,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-17 14:15:57,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-17 14:15:57,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-17 14:15:57,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-17 14:15:57,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-17 14:15:57,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-17 14:15:57,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-17 14:15:57,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-17 14:15:57,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-17 14:15:57,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-17 14:15:57,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-17 14:15:57,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-17 14:15:57,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-17 14:15:57,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-17 14:15:57,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-17 14:15:57,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-17 14:15:57,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-17 14:15:57,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-17 14:15:57,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-17 14:15:57,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-17 14:15:57,196 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-17 14:15:57,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-17 14:15:57,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-17 14:15:57,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-17 14:15:57,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-17 14:15:57,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-17 14:15:57,666 INFO L275 PluginConnector]: CDTParser initialized [2020-09-17 14:15:57,668 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-09-17 14:15:57,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc680a719/b10db0d820cc43d2a47f722c86cd8ae8/FLAG59a2222e0 [2020-09-17 14:15:58,496 INFO L306 CDTParser]: Found 1 translation units. [2020-09-17 14:15:58,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-09-17 14:15:58,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc680a719/b10db0d820cc43d2a47f722c86cd8ae8/FLAG59a2222e0 [2020-09-17 14:15:58,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc680a719/b10db0d820cc43d2a47f722c86cd8ae8 [2020-09-17 14:15:58,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-17 14:15:58,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-17 14:15:58,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-17 14:15:58,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-17 14:15:58,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-17 14:15:58,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:15:58" (1/1) ... [2020-09-17 14:15:58,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d127872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:15:58, skipping insertion in model container [2020-09-17 14:15:58,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:15:58" (1/1) ... [2020-09-17 14:15:58,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-17 14:15:58,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-17 14:15:59,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 14:15:59,689 INFO L203 MainTranslator]: Completed pre-run [2020-09-17 14:15:59,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 14:16:00,175 INFO L208 MainTranslator]: Completed translation [2020-09-17 14:16:00,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00 WrapperNode [2020-09-17 14:16:00,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-17 14:16:00,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-17 14:16:00,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-17 14:16:00,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-17 14:16:00,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-17 14:16:00,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-17 14:16:00,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-17 14:16:00,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-17 14:16:00,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (1/1) ... [2020-09-17 14:16:00,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-17 14:16:00,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-17 14:16:00,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-17 14:16:00,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-17 14:16:00,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (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 [2020-09-17 14:16:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-17 14:16:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-17 14:16:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-17 14:16:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-17 14:16:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-17 14:16:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-17 14:16:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-09-17 14:16:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-09-17 14:16:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-17 14:16:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-17 14:16:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-17 14:16:00,426 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-17 14:16:01,109 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-17 14:16:01,110 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-09-17 14:16:01,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:16:01 BoogieIcfgContainer [2020-09-17 14:16:01,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-17 14:16:01,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-17 14:16:01,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-17 14:16:01,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-17 14:16:01,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.09 02:15:58" (1/3) ... [2020-09-17 14:16:01,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c8f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 02:16:01, skipping insertion in model container [2020-09-17 14:16:01,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:16:00" (2/3) ... [2020-09-17 14:16:01,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c8f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 02:16:01, skipping insertion in model container [2020-09-17 14:16:01,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:16:01" (3/3) ... [2020-09-17 14:16:01,126 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2020-09-17 14:16:01,136 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-17 14:16:01,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-17 14:16:01,145 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-09-17 14:16:01,147 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-17 14:16:01,183 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,184 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,184 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,184 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,186 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,186 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,186 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,186 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,187 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,187 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,187 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,187 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,188 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,188 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,188 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,189 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,189 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,189 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,191 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,191 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,191 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,191 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,192 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,192 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,192 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,193 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,193 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,193 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,194 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,194 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,194 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,194 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,196 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,196 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,196 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,196 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,197 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,197 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,197 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,197 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,198 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,198 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,198 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,198 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,199 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,199 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,199 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,199 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,200 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,200 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,200 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,201 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,201 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,201 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,201 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,202 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,202 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,202 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,207 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,207 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,207 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,207 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,208 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,208 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,208 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,208 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,209 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,209 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,209 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,209 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,216 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,217 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,218 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,218 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:16:01,255 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-17 14:16:01,283 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 14:16:01,283 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 14:16:01,283 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-17 14:16:01,283 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 14:16:01,284 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 14:16:01,284 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 14:16:01,284 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 14:16:01,284 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 14:16:01,311 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 157 transitions, 336 flow [2020-09-17 14:16:01,314 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-09-17 14:16:01,403 INFO L129 PetriNetUnfolder]: 11/195 cut-off events. [2020-09-17 14:16:01,404 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-17 14:16:01,414 INFO L80 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 195 events. 11/195 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 354 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-09-17 14:16:01,424 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-09-17 14:16:01,499 INFO L129 PetriNetUnfolder]: 11/195 cut-off events. [2020-09-17 14:16:01,500 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-17 14:16:01,501 INFO L80 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 195 events. 11/195 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 354 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-09-17 14:16:01,505 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4004 [2020-09-17 14:16:01,507 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-17 14:16:03,476 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:03,537 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:16:03,545 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:03,578 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:16:03,580 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:03,581 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:86 [2020-09-17 14:16:04,225 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:04,245 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:16:04,251 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:04,270 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:16:04,271 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:04,272 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-09-17 14:16:05,160 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-09-17 14:16:05,295 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-09-17 14:16:05,495 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-09-17 14:16:05,648 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-09-17 14:16:06,161 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-09-17 14:16:06,205 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:06,422 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-17 14:16:06,423 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:16:06,431 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:16:06,650 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-09-17 14:16:06,650 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:16:06,652 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. [2020-09-17 14:16:06,652 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:187, output treesize:199 [2020-09-17 14:16:06,828 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-09-17 14:16:07,557 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-09-17 14:16:07,787 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-17 14:16:08,636 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-09-17 14:16:09,030 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-17 14:16:10,019 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-09-17 14:16:10,457 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-17 14:16:11,060 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-09-17 14:16:11,350 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-17 14:16:11,366 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7500 [2020-09-17 14:16:11,366 INFO L214 etLargeBlockEncoding]: Total number of compositions: 159 [2020-09-17 14:16:11,371 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 41 transitions, 104 flow [2020-09-17 14:16:11,410 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 566 states. [2020-09-17 14:16:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states. [2020-09-17 14:16:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-17 14:16:11,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:16:11,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-17 14:16:11,425 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]=== [2020-09-17 14:16:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:16:11,433 INFO L82 PathProgramCache]: Analyzing trace with hash 17219854, now seen corresponding path program 1 times [2020-09-17 14:16:11,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:16:11,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914652285] [2020-09-17 14:16:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:16:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:16:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:16:11,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914652285] [2020-09-17 14:16:11,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:16:11,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 14:16:11,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742689176] [2020-09-17 14:16:12,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 14:16:12,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:16:12,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 14:16:12,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:16:12,026 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 3 states. [2020-09-17 14:16:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:16:12,204 INFO L93 Difference]: Finished difference Result 689 states and 1735 transitions. [2020-09-17 14:16:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 14:16:12,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-09-17 14:16:12,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:16:12,234 INFO L225 Difference]: With dead ends: 689 [2020-09-17 14:16:12,234 INFO L226 Difference]: Without dead ends: 651 [2020-09-17 14:16:12,236 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 [2020-09-17 14:16:12,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-09-17 14:16:12,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 587. [2020-09-17 14:16:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-09-17 14:16:12,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1469 transitions. [2020-09-17 14:16:12,392 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1469 transitions. Word has length 4 [2020-09-17 14:16:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:16:12,392 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 1469 transitions. [2020-09-17 14:16:12,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 14:16:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1469 transitions. [2020-09-17 14:16:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-17 14:16:12,393 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:16:12,393 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-17 14:16:12,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-17 14:16:12,397 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]=== [2020-09-17 14:16:12,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:16:12,398 INFO L82 PathProgramCache]: Analyzing trace with hash 533814255, now seen corresponding path program 1 times [2020-09-17 14:16:12,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:16:12,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16806457] [2020-09-17 14:16:12,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:16:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:16:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:16:12,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16806457] [2020-09-17 14:16:12,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:16:12,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 14:16:12,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494443966] [2020-09-17 14:16:12,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 14:16:12,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:16:12,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 14:16:12,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:16:12,542 INFO L87 Difference]: Start difference. First operand 587 states and 1469 transitions. Second operand 3 states. [2020-09-17 14:16:12,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:16:12,659 INFO L93 Difference]: Finished difference Result 678 states and 1676 transitions. [2020-09-17 14:16:12,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 14:16:12,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-09-17 14:16:12,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:16:12,665 INFO L225 Difference]: With dead ends: 678 [2020-09-17 14:16:12,665 INFO L226 Difference]: Without dead ends: 662 [2020-09-17 14:16:12,666 INFO L675 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 [2020-09-17 14:16:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-09-17 14:16:12,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 630. [2020-09-17 14:16:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-09-17 14:16:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1591 transitions. [2020-09-17 14:16:12,700 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1591 transitions. Word has length 5 [2020-09-17 14:16:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:16:12,701 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 1591 transitions. [2020-09-17 14:16:12,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 14:16:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1591 transitions. [2020-09-17 14:16:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-17 14:16:12,702 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:16:12,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:16:12,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-17 14:16:12,702 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]=== [2020-09-17 14:16:12,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:16:12,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1596295839, now seen corresponding path program 1 times [2020-09-17 14:16:12,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:16:12,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203321818] [2020-09-17 14:16:12,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:16:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:16:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:16:12,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203321818] [2020-09-17 14:16:12,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:16:12,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 14:16:12,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139505336] [2020-09-17 14:16:12,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 14:16:12,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:16:12,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 14:16:12,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:16:12,852 INFO L87 Difference]: Start difference. First operand 630 states and 1591 transitions. Second operand 3 states. [2020-09-17 14:16:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:16:12,984 INFO L93 Difference]: Finished difference Result 830 states and 2113 transitions. [2020-09-17 14:16:12,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 14:16:12,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-17 14:16:12,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:16:12,995 INFO L225 Difference]: With dead ends: 830 [2020-09-17 14:16:12,995 INFO L226 Difference]: Without dead ends: 830 [2020-09-17 14:16:12,995 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 [2020-09-17 14:16:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-09-17 14:16:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 690. [2020-09-17 14:16:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-09-17 14:16:13,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1747 transitions. [2020-09-17 14:16:13,039 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1747 transitions. Word has length 7 [2020-09-17 14:16:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:16:13,040 INFO L479 AbstractCegarLoop]: Abstraction has 690 states and 1747 transitions. [2020-09-17 14:16:13,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 14:16:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1747 transitions. [2020-09-17 14:16:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-17 14:16:13,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:16:13,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:16:13,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-17 14:16:13,043 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]=== [2020-09-17 14:16:13,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:16:13,043 INFO L82 PathProgramCache]: Analyzing trace with hash 2054434731, now seen corresponding path program 1 times [2020-09-17 14:16:13,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:16:13,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144354100] [2020-09-17 14:16:13,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:16:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:16:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:16:13,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144354100] [2020-09-17 14:16:13,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:16:13,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 14:16:13,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289797435] [2020-09-17 14:16:13,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 14:16:13,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:16:13,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 14:16:13,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:16:13,193 INFO L87 Difference]: Start difference. First operand 690 states and 1747 transitions. Second operand 3 states. [2020-09-17 14:16:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:16:13,296 INFO L93 Difference]: Finished difference Result 858 states and 2185 transitions. [2020-09-17 14:16:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 14:16:13,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-17 14:16:13,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:16:13,303 INFO L225 Difference]: With dead ends: 858 [2020-09-17 14:16:13,303 INFO L226 Difference]: Without dead ends: 858 [2020-09-17 14:16:13,304 INFO L675 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 [2020-09-17 14:16:13,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-09-17 14:16:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 750. [2020-09-17 14:16:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-09-17 14:16:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1935 transitions. [2020-09-17 14:16:13,334 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1935 transitions. Word has length 8 [2020-09-17 14:16:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:16:13,334 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 1935 transitions. [2020-09-17 14:16:13,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 14:16:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1935 transitions. [2020-09-17 14:16:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-17 14:16:13,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:16:13,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:16:13,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-17 14:16:13,338 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]=== [2020-09-17 14:16:13,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:16:13,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1883964846, now seen corresponding path program 1 times [2020-09-17 14:16:13,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:16:13,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896846223] [2020-09-17 14:16:13,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:16:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 14:16:13,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 14:16:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 14:16:13,467 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 14:16:13,519 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-17 14:16:13,520 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-17 14:16:13,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-17 14:16:13,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.09 02:16:13 BasicIcfg [2020-09-17 14:16:13,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-17 14:16:13,597 INFO L168 Benchmark]: Toolchain (without parser) took 14915.62 ms. Allocated memory was 138.4 MB in the beginning and 324.5 MB in the end (delta: 186.1 MB). Free memory was 97.8 MB in the beginning and 153.1 MB in the end (delta: -55.3 MB). Peak memory consumption was 130.8 MB. Max. memory is 7.1 GB. [2020-09-17 14:16:13,599 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-17 14:16:13,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1491.06 ms. Allocated memory was 138.4 MB in the beginning and 234.4 MB in the end (delta: 95.9 MB). Free memory was 97.2 MB in the beginning and 167.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2020-09-17 14:16:13,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.63 ms. Allocated memory is still 234.4 MB. Free memory was 167.1 MB in the beginning and 164.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-17 14:16:13,606 INFO L168 Benchmark]: Boogie Preprocessor took 52.91 ms. Allocated memory is still 234.4 MB. Free memory was 164.2 MB in the beginning and 161.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-17 14:16:13,607 INFO L168 Benchmark]: RCFGBuilder took 797.46 ms. Allocated memory is still 234.4 MB. Free memory was 161.3 MB in the beginning and 111.6 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2020-09-17 14:16:13,607 INFO L168 Benchmark]: TraceAbstraction took 12475.79 ms. Allocated memory was 234.4 MB in the beginning and 324.5 MB in the end (delta: 90.2 MB). Free memory was 111.6 MB in the beginning and 153.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. [2020-09-17 14:16:13,622 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1491.06 ms. Allocated memory was 138.4 MB in the beginning and 234.4 MB in the end (delta: 95.9 MB). Free memory was 97.2 MB in the beginning and 167.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 88.63 ms. Allocated memory is still 234.4 MB. Free memory was 167.1 MB in the beginning and 164.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.91 ms. Allocated memory is still 234.4 MB. Free memory was 164.2 MB in the beginning and 161.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 797.46 ms. Allocated memory is still 234.4 MB. Free memory was 161.3 MB in the beginning and 111.6 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12475.79 ms. Allocated memory was 234.4 MB in the beginning and 324.5 MB in the end (delta: 90.2 MB). Free memory was 111.6 MB in the beginning and 153.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 10.0s, 153 ProgramPointsBefore, 43 ProgramPointsAfterwards, 157 TransitionsBefore, 41 TransitionsAfterwards, 4004 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 20 ConcurrentYvCompositions, 6 ChoiceCompositions, 2109 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7500 CheckedPairsTotal, 159 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={2:24}, t1={5:0}, t2={6:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, pthread_mutex_lock (&data->lock)=0, t1={5:0}, t2={6:0}] [L1715] 0 data->shared.a = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, pthread_mutex_lock (&data->lock)=0, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1716] 0 data->shared.b = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1717] 0 data->shared.a [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.1s, HoareTripleCheckerStatistics: 142 SDtfs, 38 SDslu, 40 SDs, 0 SdLazy, 157 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=750occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 344 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...