/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 19:45:24,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 19:45:24,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 19:45:24,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 19:45:24,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 19:45:24,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 19:45:24,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 19:45:24,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 19:45:24,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 19:45:24,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 19:45:24,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 19:45:24,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 19:45:24,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 19:45:24,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 19:45:24,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 19:45:24,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 19:45:24,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 19:45:24,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 19:45:24,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 19:45:24,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 19:45:24,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 19:45:24,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 19:45:24,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 19:45:24,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 19:45:24,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 19:45:24,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 19:45:24,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 19:45:24,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 19:45:24,383 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-Sleep-SemanticLbe-Delay.epf [2021-03-12 19:45:24,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 19:45:24,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 19:45:24,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 19:45:24,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 19:45:24,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 19:45:24,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 19:45:24,424 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 19:45:24,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 19:45:24,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 19:45:24,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 19:45:24,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 19:45:24,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 19:45:24,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 19:45:24,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 19:45:24,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 19:45:24,426 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 19:45:24,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 19:45:24,427 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 19:45:24,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 19:45:24,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 19:45:24,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 19:45:24,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 19:45:24,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 19:45:24,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 19:45:24,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 19:45:24,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 19:45:24,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 19:45:24,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 19:45:24,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 19:45:24,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 19:45:24,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 19:45:24,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 19:45:24,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 19:45:24,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 19:45:24,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 19:45:24,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 19:45:24,736 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 19:45:24,736 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 19:45:24,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2021-03-12 19:45:24,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c6f88e2/d8b30e4d433745d9ba642537be197a9e/FLAG8c5c18725 [2021-03-12 19:45:25,315 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 19:45:25,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2021-03-12 19:45:25,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c6f88e2/d8b30e4d433745d9ba642537be197a9e/FLAG8c5c18725 [2021-03-12 19:45:25,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c6f88e2/d8b30e4d433745d9ba642537be197a9e [2021-03-12 19:45:25,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 19:45:25,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 19:45:25,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 19:45:25,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 19:45:25,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 19:45:25,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 07:45:25" (1/1) ... [2021-03-12 19:45:25,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b420a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:25, skipping insertion in model container [2021-03-12 19:45:25,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 07:45:25" (1/1) ... [2021-03-12 19:45:25,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 19:45:25,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 19:45:25,898 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/lazy01.i[31042,31055] [2021-03-12 19:45:25,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 19:45:25,912 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 19:45:25,939 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/lazy01.i[31042,31055] [2021-03-12 19:45:25,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 19:45:26,013 INFO L208 MainTranslator]: Completed translation [2021-03-12 19:45:26,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26 WrapperNode [2021-03-12 19:45:26,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 19:45:26,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 19:45:26,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 19:45:26,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 19:45:26,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 19:45:26,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 19:45:26,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 19:45:26,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 19:45:26,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (1/1) ... [2021-03-12 19:45:26,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 19:45:26,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 19:45:26,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 19:45:26,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 19:45:26,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (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 [2021-03-12 19:45:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 19:45:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 19:45:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 19:45:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 19:45:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 19:45:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 19:45:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 19:45:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 19:45:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-12 19:45:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 19:45:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 19:45:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 19:45:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 19:45:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 19:45:26,148 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 19:45:26,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 19:45:26,547 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-12 19:45:26,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:45:26 BoogieIcfgContainer [2021-03-12 19:45:26,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 19:45:26,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 19:45:26,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 19:45:26,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 19:45:26,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 07:45:25" (1/3) ... [2021-03-12 19:45:26,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6c237b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:45:26, skipping insertion in model container [2021-03-12 19:45:26,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:45:26" (2/3) ... [2021-03-12 19:45:26,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6c237b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:45:26, skipping insertion in model container [2021-03-12 19:45:26,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:45:26" (3/3) ... [2021-03-12 19:45:26,555 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2021-03-12 19:45:26,562 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 19:45:26,563 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 19:45:26,566 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 19:45:26,567 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 19:45:26,599 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,599 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,599 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,600 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,600 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,600 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,600 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,600 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,600 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,600 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,602 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,602 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,602 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,602 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,603 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,603 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,604 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,604 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,604 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,604 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,604 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,604 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,605 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,605 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,605 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,605 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,607 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,607 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,608 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,608 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,614 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,614 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,615 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,615 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,615 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,616 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,621 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,621 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,621 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,624 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,624 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,624 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,624 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,624 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 19:45:26,638 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-12 19:45:26,652 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 19:45:26,705 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 19:45:26,706 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 19:45:26,706 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 19:45:26,706 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 19:45:26,706 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 19:45:26,706 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 19:45:26,706 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 19:45:26,706 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 19:45:26,721 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 19:45:26,721 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 83 transitions, 208 flow [2021-03-12 19:45:26,723 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 83 transitions, 208 flow [2021-03-12 19:45:26,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 208 flow [2021-03-12 19:45:26,775 INFO L129 PetriNetUnfolder]: 6/91 cut-off events. [2021-03-12 19:45:26,776 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-12 19:45:26,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 91 events. 6/91 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 133 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 53. Up to 6 conditions per place. [2021-03-12 19:45:26,783 INFO L116 LiptonReduction]: Number of co-enabled transitions 1168 [2021-03-12 19:45:29,505 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2021-03-12 19:45:29,641 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-12 19:45:29,951 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2021-03-12 19:45:30,105 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-12 19:45:30,111 INFO L131 LiptonReduction]: Checked pairs total: 5375 [2021-03-12 19:45:30,112 INFO L133 LiptonReduction]: Total number of compositions: 52 [2021-03-12 19:45:30,165 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 19:45:30,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:45:30,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1341310707, now seen corresponding path program 1 times [2021-03-12 19:45:30,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:45:30,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018796399] [2021-03-12 19:45:30,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:45:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:45:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:45:30,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018796399] [2021-03-12 19:45:30,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 19:45:30,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 19:45:30,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83729507] [2021-03-12 19:45:30,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 19:45:30,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:45:30,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 19:45:30,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 19:45:30,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:45:30,351 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:45:30,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:45:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:45:30,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:45:30,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 19:45:30,383 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 19:45:30,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:45:30,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1653263287, now seen corresponding path program 1 times [2021-03-12 19:45:30,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:45:30,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603653255] [2021-03-12 19:45:30,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:45:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:45:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:45:30,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603653255] [2021-03-12 19:45:30,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 19:45:30,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 19:45:30,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026394975] [2021-03-12 19:45:30,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 19:45:30,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:45:30,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 19:45:30,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 19:45:30,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:45:30,471 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:45:30,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:45:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:45:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:45:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:45:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:45:30,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 19:45:30,544 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 19:45:30,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:45:30,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1312001706, now seen corresponding path program 1 times [2021-03-12 19:45:30,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:45:30,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030959539] [2021-03-12 19:45:30,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:45:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 19:45:30,605 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 19:45:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 19:45:30,646 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 19:45:30,677 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 19:45:30,678 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 19:45:30,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 19:45:30,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 07:45:30 BasicIcfg [2021-03-12 19:45:30,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 19:45:30,744 INFO L168 Benchmark]: Toolchain (without parser) took 5146.46 ms. Allocated memory was 255.9 MB in the beginning and 432.0 MB in the end (delta: 176.2 MB). Free memory was 233.7 MB in the beginning and 385.2 MB in the end (delta: -151.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.0 GB. [2021-03-12 19:45:30,744 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 19:45:30,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.96 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 232.8 MB in the beginning and 321.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-12 19:45:30,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.31 ms. Allocated memory is still 356.5 MB. Free memory was 321.3 MB in the beginning and 319.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 19:45:30,745 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 356.5 MB. Free memory was 319.3 MB in the beginning and 317.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 19:45:30,746 INFO L168 Benchmark]: RCFGBuilder took 461.44 ms. Allocated memory is still 356.5 MB. Free memory was 317.9 MB in the beginning and 335.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.0 GB. [2021-03-12 19:45:30,746 INFO L168 Benchmark]: TraceAbstraction took 4188.37 ms. Allocated memory was 356.5 MB in the beginning and 432.0 MB in the end (delta: 75.5 MB). Free memory was 334.9 MB in the beginning and 385.2 MB in the end (delta: -50.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. [2021-03-12 19:45:30,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 391.96 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 232.8 MB in the beginning and 321.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.31 ms. Allocated memory is still 356.5 MB. Free memory was 321.3 MB in the beginning and 319.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 356.5 MB. Free memory was 319.3 MB in the beginning and 317.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 461.44 ms. Allocated memory is still 356.5 MB. Free memory was 317.9 MB in the beginning and 335.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4188.37 ms. Allocated memory was 356.5 MB in the beginning and 432.0 MB in the end (delta: 75.5 MB). Free memory was 334.9 MB in the beginning and 385.2 MB in the end (delta: -50.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3388.7ms, 86 PlacesBefore, 40 PlacesAfterwards, 83 TransitionsBefore, 37 TransitionsAfterwards, 1168 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 52 TotalNumberOfCompositions, 5375 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3413, positive: 3279, positive conditional: 0, positive unconditional: 3279, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 898, positive: 867, positive conditional: 0, positive unconditional: 867, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 898, positive: 848, positive conditional: 0, positive unconditional: 848, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3413, positive: 2412, positive conditional: 0, positive unconditional: 2412, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 898, unknown conditional: 0, unknown unconditional: 898] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 155, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 135, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 135, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53, positive: 48, positive conditional: 0, positive unconditional: 48, 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: 53, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 20, positive conditional: 4, positive unconditional: 16, negative: 46, negative conditional: 16, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 135, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 49, Positive conditional cache size: 1, Positive unconditional cache size: 48, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 20, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 12, negative conditional: 6, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 12, negative conditional: 6, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 20, positive conditional: 4, positive unconditional: 16, negative: 46, negative conditional: 16, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 49, Positive conditional cache size: 1, Positive unconditional cache size: 48, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 20, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 12, negative conditional: 6, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 12, negative conditional: 6, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 20, positive conditional: 4, positive unconditional: 16, negative: 46, negative conditional: 16, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 49, Positive conditional cache size: 1, Positive unconditional cache size: 48, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 6 ], Maximal queried relation: 2, Independence queries for same thread: 20 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L702] 0 pthread_mutex_t mutex; [L703] 0 int data = 0; [L731] 0 pthread_t t1, t2, t3; [L732] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={5:0}] [L707] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L733] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L734] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L735] 0 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L709] 1 return 0; [L735] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L736] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L714] 2 data+=2 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] [L716] 2 return 0; [L736] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] [L737] 0 \read(t3) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] [L721] COND TRUE 3 data >= 3 [L722] 3 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4011.7ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3413.7ms, PartialOrderReductionTime: 147.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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: 7.1ms SsaConstructionTime, 84.2ms SatisfiabilityAnalysisTime, 133.4ms InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...