/usr/bin/java -Xmx8000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 14:05:12,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 14:05:12,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 14:05:12,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-06 14:05:12,500 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-FA-NoLbe.epf [2021-08-06 14:05:12,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 14:05:12,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 14:05:12,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-06 14:05:12,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-06 14:05:12,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 14:05:12,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 14:05:12,540 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 14:05:12,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 14:05:12,541 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 14:05:12,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 14:05:12,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 14:05:12,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 14:05:12,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 14:05:12,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 14:05:12,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 14:05:12,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 14:05:12,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 14:05:12,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 14:05:12,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 14:05:12,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 14:05:12,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 14:05:12,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 14:05:12,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 14:05:12,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 14:05:12,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 14:05:12,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 14:05:12,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 14:05:12,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 14:05:12,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 14:05:12,544 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 14:05:12,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 14:05:12,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 14:05:12,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 14:05:12,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 14:05:12,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 14:05:12,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-06 14:05:12,884 INFO L275 PluginConnector]: CDTParser initialized [2021-08-06 14:05:12,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-08-06 14:05:12,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f245b2163/aba09c0f588e472dae2125e68e7715ca/FLAGaed6f2f8d [2021-08-06 14:05:13,452 INFO L306 CDTParser]: Found 1 translation units. [2021-08-06 14:05:13,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-08-06 14:05:13,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f245b2163/aba09c0f588e472dae2125e68e7715ca/FLAGaed6f2f8d [2021-08-06 14:05:13,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f245b2163/aba09c0f588e472dae2125e68e7715ca [2021-08-06 14:05:13,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 14:05:13,778 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-06 14:05:13,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-06 14:05:13,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-06 14:05:13,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-06 14:05:13,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 02:05:13" (1/1) ... [2021-08-06 14:05:13,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4637247d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:13, skipping insertion in model container [2021-08-06 14:05:13,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 02:05:13" (1/1) ... [2021-08-06 14:05:13,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-06 14:05:13,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-06 14:05:14,338 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-08-06 14:05:14,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 14:05:14,372 INFO L203 MainTranslator]: Completed pre-run [2021-08-06 14:05:14,404 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-08-06 14:05:14,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 14:05:14,453 INFO L208 MainTranslator]: Completed translation [2021-08-06 14:05:14,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14 WrapperNode [2021-08-06 14:05:14,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-06 14:05:14,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 14:05:14,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 14:05:14,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 14:05:14,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 14:05:14,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 14:05:14,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 14:05:14,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 14:05:14,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 14:05:14,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 14:05:14,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 14:05:14,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 14:05:14,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (1/1) ... [2021-08-06 14:05:14,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 14:05:14,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 14:05:14,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-06 14:05:14,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-06 14:05:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-06 14:05:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-06 14:05:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-06 14:05:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-06 14:05:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-08-06 14:05:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-08-06 14:05:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-06 14:05:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-06 14:05:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 14:05:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 14:05:14,629 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 14:05:15,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 14:05:15,135 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-06 14:05:15,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:05:15 BoogieIcfgContainer [2021-08-06 14:05:15,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 14:05:15,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 14:05:15,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 14:05:15,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 14:05:15,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 02:05:13" (1/3) ... [2021-08-06 14:05:15,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b02edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 02:05:15, skipping insertion in model container [2021-08-06 14:05:15,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 02:05:14" (2/3) ... [2021-08-06 14:05:15,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b02edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 02:05:15, skipping insertion in model container [2021-08-06 14:05:15,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:05:15" (3/3) ... [2021-08-06 14:05:15,144 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-08-06 14:05:15,148 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 14:05:15,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 14:05:15,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-06 14:05:15,148 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 14:05:15,181 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,183 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,184 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,186 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,186 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,186 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,186 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,187 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,188 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,188 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,188 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,191 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,192 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,192 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,192 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,192 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,196 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,197 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,197 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,197 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,198 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 14:05:15,208 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-06 14:05:15,258 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 14:05:15,265 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 14:05:15,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-06 14:05:15,300 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 99 transitions, 206 flow [2021-08-06 14:05:15,333 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 510 states, 509 states have (on average 2.1591355599214146) internal successors, (1099), 509 states have internal predecessors, (1099), 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) [2021-08-06 14:05:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 510 states, 509 states have (on average 2.1591355599214146) internal successors, (1099), 509 states have internal predecessors, (1099), 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) [2021-08-06 14:05:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-08-06 14:05:15,349 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 14:05:15,349 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 14:05:15,350 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-06 14:05:15,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 14:05:15,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1289059753, now seen corresponding path program 1 times [2021-08-06 14:05:15,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 14:05:15,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224271063] [2021-08-06 14:05:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 14:05:15,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 14:05:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 14:05:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 14:05:15,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 14:05:15,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224271063] [2021-08-06 14:05:15,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224271063] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 14:05:15,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 14:05:15,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-06 14:05:15,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991901347] [2021-08-06 14:05:15,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-06 14:05:15,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 14:05:15,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-06 14:05:15,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-06 14:05:15,708 INFO L87 Difference]: Start difference. First operand has 510 states, 509 states have (on average 2.1591355599214146) internal successors, (1099), 509 states have internal predecessors, (1099), 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) Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2021-08-06 14:05:16,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 14:05:16,050 INFO L93 Difference]: Finished difference Result 588 states and 1073 transitions. [2021-08-06 14:05:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 14:05:16,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) Word has length 46 [2021-08-06 14:05:16,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 14:05:16,068 INFO L225 Difference]: With dead ends: 588 [2021-08-06 14:05:16,069 INFO L226 Difference]: Without dead ends: 338 [2021-08-06 14:05:16,070 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 213.1ms TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-08-06 14:05:16,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-08-06 14:05:16,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2021-08-06 14:05:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 337 states have (on average 1.7833827893175074) internal successors, (601), 337 states have internal predecessors, (601), 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) [2021-08-06 14:05:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 601 transitions. [2021-08-06 14:05:16,133 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 601 transitions. Word has length 46 [2021-08-06 14:05:16,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 14:05:16,133 INFO L470 AbstractCegarLoop]: Abstraction has 338 states and 601 transitions. [2021-08-06 14:05:16,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2021-08-06 14:05:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 601 transitions. [2021-08-06 14:05:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-06 14:05:16,136 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 14:05:16,136 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 14:05:16,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-06 14:05:16,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-06 14:05:16,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 14:05:16,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1898567939, now seen corresponding path program 1 times [2021-08-06 14:05:16,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 14:05:16,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808103953] [2021-08-06 14:05:16,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 14:05:16,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 14:05:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 14:05:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 14:05:16,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 14:05:16,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808103953] [2021-08-06 14:05:16,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808103953] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 14:05:16,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 14:05:16,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 14:05:16,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141263260] [2021-08-06 14:05:16,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 14:05:16,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 14:05:16,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 14:05:16,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 14:05:16,230 INFO L87 Difference]: Start difference. First operand 338 states and 601 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-08-06 14:05:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 14:05:16,258 INFO L93 Difference]: Finished difference Result 274 states and 452 transitions. [2021-08-06 14:05:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 14:05:16,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) Word has length 56 [2021-08-06 14:05:16,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 14:05:16,260 INFO L225 Difference]: With dead ends: 274 [2021-08-06 14:05:16,261 INFO L226 Difference]: Without dead ends: 262 [2021-08-06 14:05:16,261 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 14:05:16,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2021-08-06 14:05:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 238. [2021-08-06 14:05:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 236 states have (on average 1.6652542372881356) internal successors, (393), 237 states have internal predecessors, (393), 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) [2021-08-06 14:05:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 393 transitions. [2021-08-06 14:05:16,270 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 393 transitions. Word has length 56 [2021-08-06 14:05:16,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 14:05:16,271 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 393 transitions. [2021-08-06 14:05:16,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-08-06 14:05:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2021-08-06 14:05:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-08-06 14:05:16,273 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 14:05:16,273 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 14:05:16,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-06 14:05:16,273 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-06 14:05:16,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 14:05:16,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1534671203, now seen corresponding path program 1 times [2021-08-06 14:05:16,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 14:05:16,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134433206] [2021-08-06 14:05:16,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 14:05:16,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 14:05:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-06 14:05:16,305 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-06 14:05:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-06 14:05:16,376 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-06 14:05:16,377 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-06 14:05:16,377 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 14:05:16,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 14:05:16,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-06 14:05:16,385 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-06 14:05:16,385 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-06 14:05:16,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 02:05:16 BasicIcfg [2021-08-06 14:05:16,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-06 14:05:16,435 INFO L168 Benchmark]: Toolchain (without parser) took 2656.69 ms. Allocated memory was 166.7 MB in the beginning and 200.3 MB in the end (delta: 33.6 MB). Free memory was 129.5 MB in the beginning and 132.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 8.0 GB. [2021-08-06 14:05:16,435 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 166.7 MB. Free memory is still 147.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 14:05:16,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.50 ms. Allocated memory is still 166.7 MB. Free memory was 129.3 MB in the beginning and 139.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2021-08-06 14:05:16,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.10 ms. Allocated memory is still 166.7 MB. Free memory was 139.7 MB in the beginning and 138.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-06 14:05:16,436 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 ms. Allocated memory is still 166.7 MB. Free memory was 138.0 MB in the beginning and 136.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-06 14:05:16,437 INFO L168 Benchmark]: RCFGBuilder took 582.47 ms. Allocated memory is still 166.7 MB. Free memory was 136.1 MB in the beginning and 109.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-08-06 14:05:16,437 INFO L168 Benchmark]: TraceAbstraction took 1295.17 ms. Allocated memory was 166.7 MB in the beginning and 200.3 MB in the end (delta: 33.6 MB). Free memory was 109.3 MB in the beginning and 132.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. [2021-08-06 14:05:16,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 166.7 MB. Free memory is still 147.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 662.50 ms. Allocated memory is still 166.7 MB. Free memory was 129.3 MB in the beginning and 139.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 69.10 ms. Allocated memory is still 166.7 MB. Free memory was 139.7 MB in the beginning and 138.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.82 ms. Allocated memory is still 166.7 MB. Free memory was 138.0 MB in the beginning and 136.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 582.47 ms. Allocated memory is still 166.7 MB. Free memory was 136.1 MB in the beginning and 109.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1295.17 ms. Allocated memory was 166.7 MB in the beginning and 200.3 MB in the end (delta: 33.6 MB). Free memory was 109.3 MB in the beginning and 132.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}] [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}] [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L700] 0 pthread_t id; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L701] 0 int i = 0; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={7:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}] [L693] 1 int *p = (int *) arg; VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] 1 (*p)++ VAL [(*p)++=0, \read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L704] 0 \read(i) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] COND TRUE 0 !(cond) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] 0 reach_error() VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] - UnprovableResult [Line: 702]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1126.3ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 18.4ms, AutomataDifference: 406.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 68.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 224 SDtfs, 352 SDslu, 503 SDs, 0 SdLazy, 115 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 221.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=510occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 59.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.2ms SsaConstructionTime, 91.7ms SatisfiabilityAnalysisTime, 267.4ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 217 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! [2021-08-06 14:05:16,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...