/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 0.1.25-507b705 [2020-09-11 20:10:10,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 20:10:10,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 20:10:10,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 20:10:10,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 20:10:10,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 20:10:10,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 20:10:10,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 20:10:10,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 20:10:10,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 20:10:10,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 20:10:10,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 20:10:10,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 20:10:10,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 20:10:10,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 20:10:10,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 20:10:10,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 20:10:10,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 20:10:10,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 20:10:10,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 20:10:10,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 20:10:10,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 20:10:10,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 20:10:10,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 20:10:10,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-11 20:10:10,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-11 20:10:10,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-11 20:10:10,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-11 20:10:10,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-11 20:10:10,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-11 20:10:10,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 20:10:10,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 20:10:10,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 20:10:10,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 20:10:10,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 20:10:10,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 20:10:10,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 20:10:10,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 20:10:10,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 20:10:10,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 20:10:10,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 20:10:10,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-11 20:10:10,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 20:10:10,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 20:10:10,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 20:10:10,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 20:10:10,145 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 20:10:10,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 20:10:10,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 20:10:10,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 20:10:10,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 20:10:10,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 20:10:10,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 20:10:10,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 20:10:10,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 20:10:10,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 20:10:10,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 20:10:10,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 20:10:10,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 20:10:10,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 20:10:10,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 20:10:10,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 20:10:10,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 20:10:10,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 20:10:10,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 20:10:10,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-11 20:10:10,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 20:10:10,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 20:10:10,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 20:10:10,149 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-11 20:10:10,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 20:10:10,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 20:10:10,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 20:10:10,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 20:10:10,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 20:10:10,632 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 20:10:10,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-09-11 20:10:10,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0618432b/612fe6c41a1c47639a7b37a78cc655be/FLAGe497f89cd [2020-09-11 20:10:11,406 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 20:10:11,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-09-11 20:10:11,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0618432b/612fe6c41a1c47639a7b37a78cc655be/FLAGe497f89cd [2020-09-11 20:10:11,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0618432b/612fe6c41a1c47639a7b37a78cc655be [2020-09-11 20:10:11,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 20:10:11,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 20:10:11,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 20:10:11,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 20:10:11,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 20:10:11,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:10:11" (1/1) ... [2020-09-11 20:10:11,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4436625d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:11, skipping insertion in model container [2020-09-11 20:10:11,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:10:11" (1/1) ... [2020-09-11 20:10:11,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 20:10:11,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 20:10:12,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 20:10:12,535 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 20:10:12,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 20:10:13,155 INFO L208 MainTranslator]: Completed translation [2020-09-11 20:10:13,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13 WrapperNode [2020-09-11 20:10:13,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 20:10:13,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 20:10:13,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 20:10:13,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 20:10:13,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 20:10:13,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 20:10:13,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 20:10:13,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 20:10:13,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... [2020-09-11 20:10:13,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 20:10:13,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 20:10:13,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 20:10:13,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 20:10:13,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-11 20:10:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 20:10:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-11 20:10:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-11 20:10:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-11 20:10:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 20:10:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 20:10:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-09-11 20:10:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-09-11 20:10:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 20:10:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 20:10:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-11 20:10:13,425 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 20:10:14,145 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 20:10:14,145 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-09-11 20:10:14,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:10:14 BoogieIcfgContainer [2020-09-11 20:10:14,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 20:10:14,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 20:10:14,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 20:10:14,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 20:10:14,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 08:10:11" (1/3) ... [2020-09-11 20:10:14,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3f64bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:10:14, skipping insertion in model container [2020-09-11 20:10:14,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:10:13" (2/3) ... [2020-09-11 20:10:14,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3f64bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:10:14, skipping insertion in model container [2020-09-11 20:10:14,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:10:14" (3/3) ... [2020-09-11 20:10:14,162 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2020-09-11 20:10:14,173 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 20:10:14,174 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-11 20:10:14,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-09-11 20:10:14,186 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 20:10:14,223 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,223 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,228 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,228 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,230 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,230 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,231 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,232 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,232 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,232 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,233 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,233 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,233 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,233 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,234 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,234 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,234 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,234 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,240 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,240 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,241 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,243 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,247 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,248 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,248 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,248 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,248 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,249 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,250 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,250 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,250 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,256 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,257 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,257 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,257 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,257 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,258 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,258 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,258 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,258 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,260 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,260 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,260 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:10:14,298 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-11 20:10:14,324 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:10:14,325 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:10:14,325 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:10:14,325 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 20:10:14,325 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:10:14,325 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:10:14,326 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:10:14,326 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:10:14,348 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 157 transitions, 336 flow [2020-09-11 20:10:14,350 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-09-11 20:10:14,462 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-09-11 20:10:14,463 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-11 20:10:14,471 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. [2020-09-11 20:10:14,477 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-09-11 20:10:14,532 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-09-11 20:10:14,532 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-11 20:10:14,533 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. [2020-09-11 20:10:14,538 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4004 [2020-09-11 20:10:14,539 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:10:16,571 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-09-11 20:10:16,624 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:16,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 20:10:16,683 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:16,731 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 20:10:16,732 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:16,733 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:92 [2020-09-11 20:10:16,973 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:16,994 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 20:10:16,998 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:17,016 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 20:10:17,018 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:17,020 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-09-11 20:10:18,811 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-09-11 20:10:19,007 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-09-11 20:10:19,130 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-09-11 20:10:19,797 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-11 20:10:19,830 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:20,316 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-09-11 20:10:20,317 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 20:10:20,325 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-11 20:10:20,760 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-11 20:10:20,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 20:10:20,762 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. [2020-09-11 20:10:20,763 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:252, output treesize:264 [2020-09-11 20:10:21,157 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-11 20:10:21,405 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-09-11 20:10:21,641 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-11 20:10:22,521 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-09-11 20:10:23,005 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-11 20:10:23,494 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-09-11 20:10:23,749 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-11 20:10:23,779 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7809 [2020-09-11 20:10:23,780 INFO L214 etLargeBlockEncoding]: Total number of compositions: 159 [2020-09-11 20:10:23,784 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 110 flow [2020-09-11 20:10:23,825 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 645 states. [2020-09-11 20:10:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states. [2020-09-11 20:10:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-11 20:10:23,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:10:23,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-11 20:10:23,838 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]=== [2020-09-11 20:10:23,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:10:23,845 INFO L82 PathProgramCache]: Analyzing trace with hash 17245017, now seen corresponding path program 1 times [2020-09-11 20:10:23,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:10:23,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493241999] [2020-09-11 20:10:23,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:10:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:10:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:10:24,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493241999] [2020-09-11 20:10:24,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:10:24,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 20:10:24,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358947503] [2020-09-11 20:10:24,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:10:24,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:10:24,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:10:24,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:10:24,376 INFO L87 Difference]: Start difference. First operand 645 states. Second operand 3 states. [2020-09-11 20:10:24,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:10:24,443 INFO L93 Difference]: Finished difference Result 638 states and 1604 transitions. [2020-09-11 20:10:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:10:24,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-09-11 20:10:24,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:10:24,470 INFO L225 Difference]: With dead ends: 638 [2020-09-11 20:10:24,471 INFO L226 Difference]: Without dead ends: 601 [2020-09-11 20:10:24,473 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 [2020-09-11 20:10:24,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-09-11 20:10:24,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2020-09-11 20:10:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-09-11 20:10:24,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1507 transitions. [2020-09-11 20:10:24,585 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1507 transitions. Word has length 4 [2020-09-11 20:10:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:10:24,585 INFO L479 AbstractCegarLoop]: Abstraction has 601 states and 1507 transitions. [2020-09-11 20:10:24,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:10:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1507 transitions. [2020-09-11 20:10:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-11 20:10:24,589 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:10:24,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-11 20:10:24,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 20:10:24,590 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]=== [2020-09-11 20:10:24,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:10:24,590 INFO L82 PathProgramCache]: Analyzing trace with hash 17190075, now seen corresponding path program 1 times [2020-09-11 20:10:24,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:10:24,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067915326] [2020-09-11 20:10:24,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:10:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:10:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:10:24,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067915326] [2020-09-11 20:10:24,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:10:24,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 20:10:24,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068069912] [2020-09-11 20:10:24,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:10:24,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:10:24,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:10:24,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:10:24,776 INFO L87 Difference]: Start difference. First operand 601 states and 1507 transitions. Second operand 3 states. [2020-09-11 20:10:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:10:24,906 INFO L93 Difference]: Finished difference Result 756 states and 1882 transitions. [2020-09-11 20:10:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:10:24,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-09-11 20:10:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:10:24,924 INFO L225 Difference]: With dead ends: 756 [2020-09-11 20:10:24,924 INFO L226 Difference]: Without dead ends: 756 [2020-09-11 20:10:24,925 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 [2020-09-11 20:10:24,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-09-11 20:10:24,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 660. [2020-09-11 20:10:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-09-11 20:10:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1662 transitions. [2020-09-11 20:10:24,959 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1662 transitions. Word has length 4 [2020-09-11 20:10:24,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:10:24,959 INFO L479 AbstractCegarLoop]: Abstraction has 660 states and 1662 transitions. [2020-09-11 20:10:24,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:10:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1662 transitions. [2020-09-11 20:10:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-11 20:10:24,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:10:24,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-11 20:10:24,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 20:10:24,961 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]=== [2020-09-11 20:10:24,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:10:24,961 INFO L82 PathProgramCache]: Analyzing trace with hash -660463514, now seen corresponding path program 1 times [2020-09-11 20:10:24,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:10:24,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104823142] [2020-09-11 20:10:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:10:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:10:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:10:25,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104823142] [2020-09-11 20:10:25,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:10:25,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:10:25,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055894690] [2020-09-11 20:10:25,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 20:10:25,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:10:25,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 20:10:25,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 20:10:25,126 INFO L87 Difference]: Start difference. First operand 660 states and 1662 transitions. Second operand 4 states. [2020-09-11 20:10:25,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:10:25,340 INFO L93 Difference]: Finished difference Result 817 states and 2007 transitions. [2020-09-11 20:10:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-11 20:10:25,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-09-11 20:10:25,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:10:25,348 INFO L225 Difference]: With dead ends: 817 [2020-09-11 20:10:25,348 INFO L226 Difference]: Without dead ends: 730 [2020-09-11 20:10:25,349 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 [2020-09-11 20:10:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-09-11 20:10:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 698. [2020-09-11 20:10:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-09-11 20:10:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1771 transitions. [2020-09-11 20:10:25,377 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1771 transitions. Word has length 6 [2020-09-11 20:10:25,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:10:25,378 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 1771 transitions. [2020-09-11 20:10:25,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 20:10:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1771 transitions. [2020-09-11 20:10:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-11 20:10:25,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:10:25,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:10:25,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 20:10:25,380 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]=== [2020-09-11 20:10:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:10:25,381 INFO L82 PathProgramCache]: Analyzing trace with hash 257559073, now seen corresponding path program 1 times [2020-09-11 20:10:25,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:10:25,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850944035] [2020-09-11 20:10:25,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:10:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:10:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:10:25,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850944035] [2020-09-11 20:10:25,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:10:25,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 20:10:25,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418889920] [2020-09-11 20:10:25,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:10:25,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:10:25,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:10:25,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:10:25,520 INFO L87 Difference]: Start difference. First operand 698 states and 1771 transitions. Second operand 3 states. [2020-09-11 20:10:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:10:25,639 INFO L93 Difference]: Finished difference Result 898 states and 2265 transitions. [2020-09-11 20:10:25,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:10:25,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-11 20:10:25,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:10:25,646 INFO L225 Difference]: With dead ends: 898 [2020-09-11 20:10:25,646 INFO L226 Difference]: Without dead ends: 898 [2020-09-11 20:10:25,647 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 [2020-09-11 20:10:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-09-11 20:10:25,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 758. [2020-09-11 20:10:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-09-11 20:10:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1927 transitions. [2020-09-11 20:10:25,675 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1927 transitions. Word has length 8 [2020-09-11 20:10:25,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:10:25,677 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 1927 transitions. [2020-09-11 20:10:25,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:10:25,677 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1927 transitions. [2020-09-11 20:10:25,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-11 20:10:25,682 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:10:25,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:10:25,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 20:10:25,683 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]=== [2020-09-11 20:10:25,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:10:25,683 INFO L82 PathProgramCache]: Analyzing trace with hash -605603990, now seen corresponding path program 1 times [2020-09-11 20:10:25,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:10:25,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057415033] [2020-09-11 20:10:25,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:10:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:10:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:10:25,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057415033] [2020-09-11 20:10:25,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:10:25,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 20:10:25,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866513053] [2020-09-11 20:10:25,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:10:25,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:10:25,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:10:25,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:10:25,846 INFO L87 Difference]: Start difference. First operand 758 states and 1927 transitions. Second operand 3 states. [2020-09-11 20:10:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:10:25,960 INFO L93 Difference]: Finished difference Result 926 states and 2337 transitions. [2020-09-11 20:10:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:10:25,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-11 20:10:25,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:10:25,968 INFO L225 Difference]: With dead ends: 926 [2020-09-11 20:10:25,968 INFO L226 Difference]: Without dead ends: 926 [2020-09-11 20:10:25,969 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 [2020-09-11 20:10:26,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-09-11 20:10:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 818. [2020-09-11 20:10:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-09-11 20:10:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 2115 transitions. [2020-09-11 20:10:26,062 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 2115 transitions. Word has length 9 [2020-09-11 20:10:26,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:10:26,062 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 2115 transitions. [2020-09-11 20:10:26,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:10:26,062 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2115 transitions. [2020-09-11 20:10:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 20:10:26,071 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:10:26,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:10:26,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-11 20:10:26,071 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]=== [2020-09-11 20:10:26,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:10:26,072 INFO L82 PathProgramCache]: Analyzing trace with hash 713608217, now seen corresponding path program 1 times [2020-09-11 20:10:26,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:10:26,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281133575] [2020-09-11 20:10:26,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:10:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:10:26,141 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:10:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:10:26,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:10:26,257 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:10:26,257 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:10:26,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-11 20:10:26,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 08:10:26 BasicIcfg [2020-09-11 20:10:26,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 20:10:26,351 INFO L168 Benchmark]: Toolchain (without parser) took 14746.24 ms. Allocated memory was 140.0 MB in the beginning and 341.3 MB in the end (delta: 201.3 MB). Free memory was 98.7 MB in the beginning and 272.5 MB in the end (delta: -173.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-09-11 20:10:26,352 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-11 20:10:26,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1547.39 ms. Allocated memory was 140.0 MB in the beginning and 237.5 MB in the end (delta: 97.5 MB). Free memory was 98.3 MB in the beginning and 169.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. [2020-09-11 20:10:26,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.22 ms. Allocated memory is still 237.5 MB. Free memory was 169.7 MB in the beginning and 166.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-09-11 20:10:26,358 INFO L168 Benchmark]: Boogie Preprocessor took 50.11 ms. Allocated memory is still 237.5 MB. Free memory was 166.2 MB in the beginning and 162.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-09-11 20:10:26,358 INFO L168 Benchmark]: RCFGBuilder took 812.32 ms. Allocated memory is still 237.5 MB. Free memory was 162.7 MB in the beginning and 113.5 MB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2020-09-11 20:10:26,365 INFO L168 Benchmark]: TraceAbstraction took 12195.74 ms. Allocated memory was 237.5 MB in the beginning and 341.3 MB in the end (delta: 103.8 MB). Free memory was 113.5 MB in the beginning and 272.5 MB in the end (delta: -159.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 20:10:26,373 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1547.39 ms. Allocated memory was 140.0 MB in the beginning and 237.5 MB in the end (delta: 97.5 MB). Free memory was 98.3 MB in the beginning and 169.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 130.22 ms. Allocated memory is still 237.5 MB. Free memory was 169.7 MB in the beginning and 166.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.11 ms. Allocated memory is still 237.5 MB. Free memory was 166.2 MB in the beginning and 162.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 812.32 ms. Allocated memory is still 237.5 MB. Free memory was 162.7 MB in the beginning and 113.5 MB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12195.74 ms. Allocated memory was 237.5 MB in the beginning and 341.3 MB in the end (delta: 103.8 MB). Free memory was 113.5 MB in the beginning and 272.5 MB in the end (delta: -159.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 9.4s, 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: 11.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.4s, HoareTripleCheckerStatistics: 195 SDtfs, 57 SDslu, 118 SDs, 0 SdLazy, 191 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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, 0.2s SatisfiabilityAnalysisTime, 0.6s 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...