/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_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:43:38,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:43:38,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:43:38,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:43:38,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:43:38,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:43:38,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:43:38,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:43:38,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:43:38,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:43:38,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:43:38,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:43:38,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:43:38,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:43:38,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:43:38,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:43:38,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:43:38,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:43:38,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:43:38,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:43:38,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:43:38,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:43:38,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:43:38,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:43:38,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:43:38,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:43:38,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:43:38,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:43:38,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:43:38,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:43:38,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:43:38,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:43:38,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:43:38,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:43:38,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:43:38,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:43:38,138 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 [2020-10-05 23:43:38,168 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:43:38,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:43:38,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:43:38,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:43:38,170 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:43:38,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:43:38,171 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:43:38,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:43:38,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:43:38,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:43:38,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:43:38,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:43:38,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:43:38,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:43:38,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:43:38,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:43:38,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:43:38,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:43:38,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:43:38,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:43:38,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:43:38,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:43:38,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:43:38,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:43:38,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:43:38,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:43:38,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:43:38,176 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:43:38,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:43:38,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:43:38,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:43:38,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:43:38,522 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:43:38,522 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:43:38,523 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-10-05 23:43:38,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237de7253/b642d49193274a91822e40e44e0f4d3e/FLAGd74cef2b7 [2020-10-05 23:43:39,226 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:43:39,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-10-05 23:43:39,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237de7253/b642d49193274a91822e40e44e0f4d3e/FLAGd74cef2b7 [2020-10-05 23:43:39,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237de7253/b642d49193274a91822e40e44e0f4d3e [2020-10-05 23:43:39,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:43:39,410 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:43:39,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:43:39,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:43:39,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:43:39,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:43:39" (1/1) ... [2020-10-05 23:43:39,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b45f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:39, skipping insertion in model container [2020-10-05 23:43:39,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:43:39" (1/1) ... [2020-10-05 23:43:39,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:43:39,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:43:40,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:43:40,396 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:43:40,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:43:40,878 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:43:40,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40 WrapperNode [2020-10-05 23:43:40,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:43:40,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:43:40,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:43:40,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:43:40,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:43:40,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:43:40,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:43:40,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:43:40,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:40,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... [2020-10-05 23:43:41,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:43:41,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:43:41,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:43:41,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:43:41,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:43:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:43:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 23:43:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 23:43:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-05 23:43:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:43:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:43:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-05 23:43:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-05 23:43:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:43:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:43:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 23:43:41,088 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:43:41,758 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:43:41,758 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-05 23:43:41,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:43:41 BoogieIcfgContainer [2020-10-05 23:43:41,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:43:41,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:43:41,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:43:41,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:43:41,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:43:39" (1/3) ... [2020-10-05 23:43:41,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a51553b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:43:41, skipping insertion in model container [2020-10-05 23:43:41,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:40" (2/3) ... [2020-10-05 23:43:41,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a51553b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:43:41, skipping insertion in model container [2020-10-05 23:43:41,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:43:41" (3/3) ... [2020-10-05 23:43:41,769 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2020-10-05 23:43:41,780 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:43:41,781 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:43:41,789 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-05 23:43:41,789 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:43:41,823 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,823 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,823 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,824 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,824 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,824 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,824 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,825 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,825 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,825 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,825 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,826 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,826 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,826 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,826 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,826 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,827 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,827 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,827 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,828 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,828 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,828 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,828 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,829 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,829 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,829 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,829 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,830 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,830 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,830 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,830 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,831 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,831 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,831 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,831 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,832 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,832 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,832 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,833 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,833 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,833 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,833 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,833 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,834 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,834 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,834 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,835 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,835 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,835 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,835 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,836 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,836 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,836 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,836 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,836 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,837 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,837 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,837 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,837 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,838 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,838 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,838 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,838 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,839 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,839 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,839 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,839 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,840 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,840 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,840 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,844 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,844 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,844 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,845 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,845 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,845 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,845 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,846 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,846 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,846 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,846 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,847 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,855 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,855 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,856 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,856 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,856 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,856 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,857 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,857 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,857 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,857 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,858 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,858 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:41,882 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-05 23:43:41,904 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:43:41,905 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:43:41,905 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:43:41,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:43:41,905 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:43:41,905 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:43:41,906 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:43:41,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:43:41,926 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 157 transitions, 336 flow [2020-10-05 23:43:41,928 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-05 23:43:42,015 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-10-05 23:43:42,016 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:43:42,022 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 215 events. 13/215 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 513 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 109. Up to 4 conditions per place. [2020-10-05 23:43:42,029 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-05 23:43:42,094 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-10-05 23:43:42,094 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:43:42,095 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 215 events. 13/215 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 513 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 109. Up to 4 conditions per place. [2020-10-05 23:43:42,100 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4004 [2020-10-05 23:43:42,101 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:43:44,164 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:44,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-05 23:43:44,226 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:44,266 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-05 23:43:44,268 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:44,269 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:92 [2020-10-05 23:43:44,473 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:44,492 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-05 23:43:44,496 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:44,511 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-05 23:43:44,513 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:44,514 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-05 23:43:46,051 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-10-05 23:43:46,233 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-05 23:43:46,936 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-05 23:43:46,973 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:47,369 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-05 23:43:47,369 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-05 23:43:47,387 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-05 23:43:47,771 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-05 23:43:47,771 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-05 23:43:47,773 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. [2020-10-05 23:43:47,773 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:252, output treesize:264 [2020-10-05 23:43:48,150 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-05 23:43:48,379 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-05 23:43:48,580 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-05 23:43:49,360 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-10-05 23:43:49,847 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-05 23:43:50,243 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-10-05 23:43:50,450 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-05 23:43:50,469 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7809 [2020-10-05 23:43:50,469 INFO L214 etLargeBlockEncoding]: Total number of compositions: 159 [2020-10-05 23:43:50,472 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 110 flow [2020-10-05 23:43:50,534 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 645 states. [2020-10-05 23:43:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states. [2020-10-05 23:43:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-05 23:43:50,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:50,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-05 23:43:50,566 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:50,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:50,573 INFO L82 PathProgramCache]: Analyzing trace with hash 17245017, now seen corresponding path program 1 times [2020-10-05 23:43:50,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:50,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493278515] [2020-10-05 23:43:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:50,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493278515] [2020-10-05 23:43:51,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:51,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:51,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459199907] [2020-10-05 23:43:51,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:43:51,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:51,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:43:51,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:51,025 INFO L87 Difference]: Start difference. First operand 645 states. Second operand 3 states. [2020-10-05 23:43:51,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:51,098 INFO L93 Difference]: Finished difference Result 638 states and 1604 transitions. [2020-10-05 23:43:51,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:43:51,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-05 23:43:51,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:51,120 INFO L225 Difference]: With dead ends: 638 [2020-10-05 23:43:51,120 INFO L226 Difference]: Without dead ends: 601 [2020-10-05 23:43:51,122 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 [2020-10-05 23:43:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-10-05 23:43:51,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2020-10-05 23:43:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-10-05 23:43:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1507 transitions. [2020-10-05 23:43:51,234 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1507 transitions. Word has length 4 [2020-10-05 23:43:51,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:51,234 INFO L479 AbstractCegarLoop]: Abstraction has 601 states and 1507 transitions. [2020-10-05 23:43:51,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:43:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1507 transitions. [2020-10-05 23:43:51,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-05 23:43:51,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:51,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-05 23:43:51,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:43:51,236 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:51,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:51,237 INFO L82 PathProgramCache]: Analyzing trace with hash 17190075, now seen corresponding path program 1 times [2020-10-05 23:43:51,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:51,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934171458] [2020-10-05 23:43:51,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:51,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934171458] [2020-10-05 23:43:51,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:51,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:51,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233020873] [2020-10-05 23:43:51,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:43:51,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:51,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:43:51,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:51,440 INFO L87 Difference]: Start difference. First operand 601 states and 1507 transitions. Second operand 3 states. [2020-10-05 23:43:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:51,546 INFO L93 Difference]: Finished difference Result 756 states and 1882 transitions. [2020-10-05 23:43:51,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:43:51,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-05 23:43:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:51,555 INFO L225 Difference]: With dead ends: 756 [2020-10-05 23:43:51,555 INFO L226 Difference]: Without dead ends: 756 [2020-10-05 23:43:51,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-10-05 23:43:51,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 660. [2020-10-05 23:43:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-10-05 23:43:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1662 transitions. [2020-10-05 23:43:51,598 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1662 transitions. Word has length 4 [2020-10-05 23:43:51,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:51,599 INFO L479 AbstractCegarLoop]: Abstraction has 660 states and 1662 transitions. [2020-10-05 23:43:51,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:43:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1662 transitions. [2020-10-05 23:43:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 23:43:51,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:51,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-05 23:43:51,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:43:51,600 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:51,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:51,601 INFO L82 PathProgramCache]: Analyzing trace with hash -660463514, now seen corresponding path program 1 times [2020-10-05 23:43:51,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:51,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128984351] [2020-10-05 23:43:51,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:51,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128984351] [2020-10-05 23:43:51,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:51,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:43:51,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139017199] [2020-10-05 23:43:51,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:43:51,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:51,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:43:51,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:43:51,675 INFO L87 Difference]: Start difference. First operand 660 states and 1662 transitions. Second operand 4 states. [2020-10-05 23:43:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:51,827 INFO L93 Difference]: Finished difference Result 817 states and 2007 transitions. [2020-10-05 23:43:51,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:43:51,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-05 23:43:51,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:51,833 INFO L225 Difference]: With dead ends: 817 [2020-10-05 23:43:51,833 INFO L226 Difference]: Without dead ends: 730 [2020-10-05 23:43:51,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-10-05 23:43:51,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 698. [2020-10-05 23:43:51,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-05 23:43:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1771 transitions. [2020-10-05 23:43:51,859 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1771 transitions. Word has length 6 [2020-10-05 23:43:51,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:51,859 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 1771 transitions. [2020-10-05 23:43:51,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:43:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1771 transitions. [2020-10-05 23:43:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:43:51,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:51,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:51,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:43:51,861 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:51,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:51,861 INFO L82 PathProgramCache]: Analyzing trace with hash 257559073, now seen corresponding path program 1 times [2020-10-05 23:43:51,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:51,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300136961] [2020-10-05 23:43:51,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:51,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300136961] [2020-10-05 23:43:51,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:51,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:51,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945142652] [2020-10-05 23:43:51,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:43:51,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:51,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:43:51,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:51,935 INFO L87 Difference]: Start difference. First operand 698 states and 1771 transitions. Second operand 3 states. [2020-10-05 23:43:52,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:52,032 INFO L93 Difference]: Finished difference Result 898 states and 2265 transitions. [2020-10-05 23:43:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:43:52,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 23:43:52,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:52,039 INFO L225 Difference]: With dead ends: 898 [2020-10-05 23:43:52,039 INFO L226 Difference]: Without dead ends: 898 [2020-10-05 23:43:52,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:52,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-10-05 23:43:52,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 758. [2020-10-05 23:43:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-10-05 23:43:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1927 transitions. [2020-10-05 23:43:52,067 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1927 transitions. Word has length 8 [2020-10-05 23:43:52,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:52,068 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 1927 transitions. [2020-10-05 23:43:52,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:43:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1927 transitions. [2020-10-05 23:43:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:43:52,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:52,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:52,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:43:52,071 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:52,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:52,072 INFO L82 PathProgramCache]: Analyzing trace with hash -605603990, now seen corresponding path program 1 times [2020-10-05 23:43:52,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:52,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4909195] [2020-10-05 23:43:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:52,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4909195] [2020-10-05 23:43:52,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:52,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:52,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771539458] [2020-10-05 23:43:52,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:43:52,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:52,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:43:52,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:52,133 INFO L87 Difference]: Start difference. First operand 758 states and 1927 transitions. Second operand 3 states. [2020-10-05 23:43:52,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:52,218 INFO L93 Difference]: Finished difference Result 926 states and 2337 transitions. [2020-10-05 23:43:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:43:52,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:43:52,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:52,225 INFO L225 Difference]: With dead ends: 926 [2020-10-05 23:43:52,226 INFO L226 Difference]: Without dead ends: 926 [2020-10-05 23:43:52,226 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 [2020-10-05 23:43:52,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-05 23:43:52,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 818. [2020-10-05 23:43:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-05 23:43:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 2115 transitions. [2020-10-05 23:43:52,255 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 2115 transitions. Word has length 9 [2020-10-05 23:43:52,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:52,256 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 2115 transitions. [2020-10-05 23:43:52,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:43:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2115 transitions. [2020-10-05 23:43:52,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:43:52,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:52,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:52,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:43:52,259 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:52,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:52,259 INFO L82 PathProgramCache]: Analyzing trace with hash 713608217, now seen corresponding path program 1 times [2020-10-05 23:43:52,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:52,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883615124] [2020-10-05 23:43:52,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:43:52,299 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:43:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:43:52,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:43:52,360 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:43:52,361 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:43:52,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:43:52,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:43:52 BasicIcfg [2020-10-05 23:43:52,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:43:52,411 INFO L168 Benchmark]: Toolchain (without parser) took 13002.84 ms. Allocated memory was 140.0 MB in the beginning and 324.5 MB in the end (delta: 184.5 MB). Free memory was 100.2 MB in the beginning and 132.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 152.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:52,412 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:43:52,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1467.90 ms. Allocated memory was 140.0 MB in the beginning and 238.0 MB in the end (delta: 98.0 MB). Free memory was 99.9 MB in the beginning and 170.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:52,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.52 ms. Allocated memory is still 238.0 MB. Free memory was 170.7 MB in the beginning and 167.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:52,415 INFO L168 Benchmark]: Boogie Preprocessor took 51.43 ms. Allocated memory is still 238.0 MB. Free memory was 167.8 MB in the beginning and 164.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:52,416 INFO L168 Benchmark]: RCFGBuilder took 753.88 ms. Allocated memory is still 238.0 MB. Free memory was 164.8 MB in the beginning and 116.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:52,416 INFO L168 Benchmark]: TraceAbstraction took 10647.49 ms. Allocated memory was 238.0 MB in the beginning and 324.5 MB in the end (delta: 86.5 MB). Free memory was 115.1 MB in the beginning and 132.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:52,421 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1467.90 ms. Allocated memory was 140.0 MB in the beginning and 238.0 MB in the end (delta: 98.0 MB). Free memory was 99.9 MB in the beginning and 170.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 75.52 ms. Allocated memory is still 238.0 MB. Free memory was 170.7 MB in the beginning and 167.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.43 ms. Allocated memory is still 238.0 MB. Free memory was 167.8 MB in the beginning and 164.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 753.88 ms. Allocated memory is still 238.0 MB. Free memory was 164.8 MB in the beginning and 116.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10647.49 ms. Allocated memory was 238.0 MB in the beginning and 324.5 MB in the end (delta: 86.5 MB). Free memory was 115.1 MB in the beginning and 132.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 8.5s, 153 ProgramPointsBefore, 45 ProgramPointsAfterwards, 157 TransitionsBefore, 44 TransitionsAfterwards, 4004 CoEnabledTransitionPairs, 8 FixpointIterations, 64 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 24 ConcurrentYvCompositions, 5 ChoiceCompositions, 2124 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7809 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={5:24}, t1={6:0}, t2={7:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={7:0}] [L1715] 0 return 0; [L1741] 0 probe_ret = my_drv_probe(&data) [L1742] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={7:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={6:0}, t2={7:0}] [L1723] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={6:0}, t2={7:0}] [L1724] 0 data->shared.a [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={6:0}, t2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.6s, HoareTripleCheckerStatistics: 195 SDtfs, 57 SDslu, 118 SDs, 0 SdLazy, 191 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 5 MinimizatonAttempts, 376 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...