/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 01:35:14,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 01:35:14,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 01:35:14,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 01:35:14,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 01:35:14,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 01:35:14,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 01:35:14,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 01:35:14,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 01:35:14,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 01:35:14,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 01:35:14,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 01:35:14,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 01:35:14,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 01:35:14,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 01:35:14,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 01:35:14,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 01:35:14,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 01:35:14,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 01:35:14,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 01:35:14,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 01:35:14,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 01:35:14,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 01:35:14,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 01:35:14,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 01:35:14,427 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 01:35:14,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 01:35:14,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 01:35:14,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 01:35:14,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 01:35:14,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 01:35:14,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 01:35:14,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 01:35:14,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 01:35:14,431 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 01:35:14,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 01:35:14,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 01:35:14,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 01:35:14,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 01:35:14,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 01:35:14,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 01:35:14,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 01:35:14,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 01:35:14,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 01:35:14,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 01:35:14,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 01:35:14,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 01:35:14,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 01:35:14,435 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 01:35:14,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 01:35:14,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 01:35:14,436 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 01:35:14,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 01:35:14,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 01:35:14,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 01:35:14,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 01:35:14,951 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 01:35:14,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-04-29 01:35:15,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe499d800/475ed3423e474e2993b11163e0be0419/FLAGb81c49946 [2021-04-29 01:35:15,891 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 01:35:15,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-04-29 01:35:15,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe499d800/475ed3423e474e2993b11163e0be0419/FLAGb81c49946 [2021-04-29 01:35:16,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe499d800/475ed3423e474e2993b11163e0be0419 [2021-04-29 01:35:16,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 01:35:16,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 01:35:16,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 01:35:16,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 01:35:16,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 01:35:16,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:35:16" (1/1) ... [2021-04-29 01:35:16,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31dee0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:16, skipping insertion in model container [2021-04-29 01:35:16,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:35:16" (1/1) ... [2021-04-29 01:35:16,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 01:35:16,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 01:35:16,538 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-29 01:35:16,961 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2021-04-29 01:35:16,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:35:16,994 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 01:35:17,013 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-29 01:35:17,040 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2021-04-29 01:35:17,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:35:17,215 INFO L208 MainTranslator]: Completed translation [2021-04-29 01:35:17,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17 WrapperNode [2021-04-29 01:35:17,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 01:35:17,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 01:35:17,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 01:35:17,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 01:35:17,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 01:35:17,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 01:35:17,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 01:35:17,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 01:35:17,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (1/1) ... [2021-04-29 01:35:17,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 01:35:17,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 01:35:17,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 01:35:17,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 01:35:17,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (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 [2021-04-29 01:35:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-29 01:35:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 01:35:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-29 01:35:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 01:35:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 01:35:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 01:35:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-04-29 01:35:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-04-29 01:35:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 01:35:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 01:35:17,463 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 01:35:18,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 01:35:18,135 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-04-29 01:35:18,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:35:18 BoogieIcfgContainer [2021-04-29 01:35:18,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 01:35:18,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 01:35:18,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 01:35:18,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 01:35:18,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 01:35:16" (1/3) ... [2021-04-29 01:35:18,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c78cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:35:18, skipping insertion in model container [2021-04-29 01:35:18,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:35:17" (2/3) ... [2021-04-29 01:35:18,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c78cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:35:18, skipping insertion in model container [2021-04-29 01:35:18,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:35:18" (3/3) ... [2021-04-29 01:35:18,150 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2021-04-29 01:35:18,158 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 01:35:18,166 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 01:35:18,167 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 01:35:18,202 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,203 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,203 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,203 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,204 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,204 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,204 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,204 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,205 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,205 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,205 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,206 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,206 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,206 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,207 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,207 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,208 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,208 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,208 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,208 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,211 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,212 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,212 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,213 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,213 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,213 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:35:18,223 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-04-29 01:35:18,254 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-29 01:35:18,286 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:35:18,286 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:35:18,287 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:35:18,287 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:35:18,287 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:35:18,287 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:35:18,287 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:35:18,288 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:35:18,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions, 138 flow [2021-04-29 01:35:18,348 INFO L129 PetriNetUnfolder]: 3/64 cut-off events. [2021-04-29 01:35:18,349 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 01:35:18,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 3/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2021-04-29 01:35:18,353 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 65 transitions, 138 flow [2021-04-29 01:35:18,369 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 58 transitions, 119 flow [2021-04-29 01:35:18,371 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:35:18,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 58 transitions, 119 flow [2021-04-29 01:35:18,396 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 58 transitions, 119 flow [2021-04-29 01:35:18,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 58 transitions, 119 flow [2021-04-29 01:35:18,416 INFO L129 PetriNetUnfolder]: 3/58 cut-off events. [2021-04-29 01:35:18,417 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:35:18,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 58 events. 3/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2021-04-29 01:35:18,421 INFO L146 LiptonReduction]: Number of co-enabled transitions 260 [2021-04-29 01:35:22,626 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-04-29 01:35:25,082 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 01:35:25,262 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 01:35:25,434 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-04-29 01:35:25,604 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-04-29 01:35:25,843 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-04-29 01:35:26,112 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-04-29 01:35:26,330 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-04-29 01:35:26,521 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-04-29 01:35:26,724 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:35:26,926 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:35:29,261 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-29 01:35:29,407 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 01:35:29,752 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-29 01:35:29,902 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 01:35:30,259 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-29 01:35:30,420 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-29 01:35:30,761 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-29 01:35:30,917 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-29 01:35:31,029 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:31,134 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:31,247 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:31,356 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:31,463 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:31,569 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:31,671 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:31,788 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:32,087 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-29 01:35:32,229 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:35:32,537 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-29 01:35:32,676 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:35:32,976 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:35:33,082 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:35:33,566 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:33,676 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:33,786 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:33,895 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:34,230 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-29 01:35:34,373 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 01:35:34,677 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-29 01:35:34,816 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 01:35:34,924 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:35:35,033 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:35:35,137 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:35:35,242 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:35:35,852 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-29 01:35:35,979 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:35:36,254 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-29 01:35:36,410 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:35:38,548 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:35:38,662 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:35:39,409 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 01:35:39,835 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:35:39,955 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:35:40,083 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:35:40,196 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:35:40,369 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-29 01:35:40,535 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-29 01:35:40,707 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-29 01:35:40,864 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-29 01:35:41,062 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-29 01:35:41,240 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-29 01:35:41,424 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-29 01:35:41,602 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-29 01:35:41,734 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 01:35:41,856 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:35:41,983 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 01:35:42,101 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:35:42,265 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 01:35:42,412 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:35:42,572 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 01:35:42,726 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:35:42,852 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:35:42,970 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:35:43,094 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:35:43,229 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:35:43,392 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 01:35:43,542 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:35:43,693 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 01:35:43,844 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:35:44,007 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 01:35:44,168 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 01:35:44,340 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 01:35:44,506 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 01:35:44,621 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 01:35:44,734 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 01:35:44,853 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 01:35:44,962 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 01:35:45,068 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:35:45,275 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:35:45,380 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:35:45,527 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:35:45,645 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:35:45,766 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:35:45,880 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:35:45,983 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 01:35:46,382 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 01:35:46,593 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 01:35:46,709 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 01:35:47,389 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2021-04-29 01:35:47,682 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-04-29 01:35:48,378 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2021-04-29 01:35:48,710 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-04-29 01:35:49,461 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2021-04-29 01:35:49,790 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-04-29 01:35:50,564 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2021-04-29 01:35:50,917 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-04-29 01:35:51,468 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:35:51,727 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:35:52,260 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:35:52,518 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:35:53,020 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-29 01:35:53,248 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-29 01:35:53,701 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-29 01:35:53,901 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-29 01:35:54,386 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-04-29 01:35:54,614 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-04-29 01:35:55,074 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-04-29 01:35:55,308 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-04-29 01:35:55,801 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-29 01:35:56,010 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-29 01:35:56,486 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-29 01:35:56,706 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-29 01:35:57,407 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2021-04-29 01:35:57,742 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-04-29 01:35:58,488 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2021-04-29 01:35:58,833 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-04-29 01:35:59,430 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:35:59,696 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:36:00,274 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:36:00,543 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:36:01,057 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-04-29 01:36:01,324 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-04-29 01:36:01,857 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-04-29 01:36:02,125 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-04-29 01:36:02,531 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 01:36:02,699 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:36:03,056 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 01:36:03,232 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:36:03,737 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:36:03,979 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:36:04,505 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:36:04,743 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:36:05,204 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-29 01:36:05,414 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-29 01:36:05,868 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-29 01:36:06,088 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-29 01:36:06,624 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:36:06,864 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:36:07,391 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-04-29 01:36:07,644 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-04-29 01:36:07,678 INFO L158 LiptonReduction]: Checked pairs total: 488 [2021-04-29 01:36:07,678 INFO L160 LiptonReduction]: Total number of compositions: 161 [2021-04-29 01:36:07,683 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49314 [2021-04-29 01:36:07,704 INFO L129 PetriNetUnfolder]: 1/49 cut-off events. [2021-04-29 01:36:07,704 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:36:07,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:36:07,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-29 01:36:07,706 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:36:07,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:36:07,712 INFO L82 PathProgramCache]: Analyzing trace with hash 330901, now seen corresponding path program 1 times [2021-04-29 01:36:07,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:36:07,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835921722] [2021-04-29 01:36:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:36:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:36:07,868 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:36:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:36:07,903 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:36:07,928 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 01:36:07,930 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 01:36:07,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 01:36:07,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 01:36:07 BasicIcfg [2021-04-29 01:36:07,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 01:36:07,963 INFO L168 Benchmark]: Toolchain (without parser) took 51746.95 ms. Allocated memory was 302.0 MB in the beginning and 450.9 MB in the end (delta: 148.9 MB). Free memory was 275.9 MB in the beginning and 259.0 MB in the end (delta: 16.9 MB). Peak memory consumption was 168.0 MB. Max. memory is 16.0 GB. [2021-04-29 01:36:07,964 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 302.0 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 01:36:07,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.70 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 274.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. [2021-04-29 01:36:07,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.44 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 272.3 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 01:36:07,965 INFO L168 Benchmark]: Boogie Preprocessor took 34.29 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 271.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 01:36:07,966 INFO L168 Benchmark]: RCFGBuilder took 829.67 ms. Allocated memory is still 302.0 MB. Free memory was 271.3 MB in the beginning and 247.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-29 01:36:07,967 INFO L168 Benchmark]: TraceAbstraction took 49820.84 ms. Allocated memory was 302.0 MB in the beginning and 450.9 MB in the end (delta: 148.9 MB). Free memory was 247.1 MB in the beginning and 259.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 139.1 MB. Max. memory is 16.0 GB. [2021-04-29 01:36:07,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 302.0 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 942.70 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 274.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.44 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 272.3 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.29 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 271.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 829.67 ms. Allocated memory is still 302.0 MB. Free memory was 271.3 MB in the beginning and 247.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 49820.84 ms. Allocated memory was 302.0 MB in the beginning and 450.9 MB in the end (delta: 148.9 MB). Free memory was 247.1 MB in the beginning and 259.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 139.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49282.7ms, 59 PlacesBefore, 72 PlacesAfterwards, 58 TransitionsBefore, 69 TransitionsAfterwards, 260 CoEnabledTransitionPairs, 8 FixpointIterations, 122 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 161 TotalNumberOfCompositions, 488 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 416, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 232, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 232, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 232, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 416, positive: 180, positive conditional: 180, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 232, unknown conditional: 232, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 195, Positive conditional cache size: 195, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - CounterExampleResult [Line: 704]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L697] 0 pthread_mutex_t lock; [L698] 0 pthread_cond_t cond; [L699] 0 int x; [L709] 0 pthread_t t; [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={7:0}, lock={10:0}, x=0] [L704] 1 !(x == 42) ? reach_error() : (void)0 [L704] 1 reach_error() VAL [arg={0:0}, arg={0:0}, cond={7:0}, lock={10:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 49651.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49402.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.1ms SsaConstructionTime, 54.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...