/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 --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 11:55:01,082 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-14 11:55:01,173 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 [2021-10-14 11:55:01,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 11:55:01,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 11:55:01,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-14 11:55:01,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-14 11:55:01,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 11:55:01,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 11:55:01,193 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 11:55:01,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 11:55:01,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 11:55:01,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 11:55:01,194 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 11:55:01,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 11:55:01,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 11:55:01,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 11:55:01,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 11:55:01,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 11:55:01,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:55:01,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 11:55:01,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 11:55:01,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 11:55:01,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 11:55:01,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 11:55:01,196 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 11:55:01,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-14 11:55:01,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 11:55:01,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 11:55:01,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 11:55:01,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 11:55:01,413 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 11:55:01,414 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 11:55:01,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2021-10-14 11:55:01,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524374206/394681587e1b467bab1dad37ae7b7e06/FLAG9137b168f [2021-10-14 11:55:01,852 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 11:55:01,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2021-10-14 11:55:01,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524374206/394681587e1b467bab1dad37ae7b7e06/FLAG9137b168f [2021-10-14 11:55:01,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524374206/394681587e1b467bab1dad37ae7b7e06 [2021-10-14 11:55:01,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 11:55:01,888 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 11:55:01,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 11:55:01,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 11:55:01,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 11:55:01,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:55:01" (1/1) ... [2021-10-14 11:55:01,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8fcbf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:01, skipping insertion in model container [2021-10-14 11:55:01,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:55:01" (1/1) ... [2021-10-14 11:55:01,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 11:55:01,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 11:55:02,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:55:02,212 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 11:55:02,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:55:02,296 INFO L208 MainTranslator]: Completed translation [2021-10-14 11:55:02,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02 WrapperNode [2021-10-14 11:55:02,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 11:55:02,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 11:55:02,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 11:55:02,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 11:55:02,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 11:55:02,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 11:55:02,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 11:55:02,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 11:55:02,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 11:55:02,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 11:55:02,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 11:55:02,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 11:55:02,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (1/1) ... [2021-10-14 11:55:02,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:55:02,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 11:55:02,415 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) [2021-10-14 11:55:02,439 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 [2021-10-14 11:55:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-14 11:55:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 11:55:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-14 11:55:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 11:55:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-14 11:55:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-14 11:55:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 11:55:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-14 11:55:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 11:55:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 11:55:02,456 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 11:55:02,701 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 11:55:02,701 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-14 11:55:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:55:02 BoogieIcfgContainer [2021-10-14 11:55:02,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 11:55:02,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 11:55:02,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 11:55:02,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 11:55:02,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:55:01" (1/3) ... [2021-10-14 11:55:02,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a67ea5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:55:02, skipping insertion in model container [2021-10-14 11:55:02,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:02" (2/3) ... [2021-10-14 11:55:02,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a67ea5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:55:02, skipping insertion in model container [2021-10-14 11:55:02,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:55:02" (3/3) ... [2021-10-14 11:55:02,708 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2021-10-14 11:55:02,712 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-14 11:55:02,712 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 11:55:02,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-14 11:55:02,712 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 11:55:02,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:02,745 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-14 11:55:02,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 11:55:02,795 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 [2021-10-14 11:55:02,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-14 11:55:02,809 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 81 transitions, 167 flow [2021-10-14 11:55:02,861 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 718 states, 715 states have (on average 1.8937062937062936) internal successors, (1354), 717 states have internal predecessors, (1354), 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) [2021-10-14 11:55:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 718 states, 715 states have (on average 1.8937062937062936) internal successors, (1354), 717 states have internal predecessors, (1354), 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) [2021-10-14 11:55:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-14 11:55:02,873 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:02,874 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] [2021-10-14 11:55:02,874 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:55:02,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:02,879 INFO L82 PathProgramCache]: Analyzing trace with hash -783251871, now seen corresponding path program 1 times [2021-10-14 11:55:02,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:02,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838060314] [2021-10-14 11:55:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:02,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:03,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:03,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838060314] [2021-10-14 11:55:03,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838060314] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:03,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:03,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-14 11:55:03,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662372213] [2021-10-14 11:55:03,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 11:55:03,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:03,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 11:55:03,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:03,258 INFO L87 Difference]: Start difference. First operand has 718 states, 715 states have (on average 1.8937062937062936) internal successors, (1354), 717 states have internal predecessors, (1354), 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 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-10-14 11:55:03,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:03,509 INFO L93 Difference]: Finished difference Result 1067 states and 2006 transitions. [2021-10-14 11:55:03,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 11:55:03,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 43 [2021-10-14 11:55:03,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:03,532 INFO L225 Difference]: With dead ends: 1067 [2021-10-14 11:55:03,533 INFO L226 Difference]: Without dead ends: 847 [2021-10-14 11:55:03,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2021-10-14 11:55:03,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 625. [2021-10-14 11:55:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 622 states have (on average 1.8762057877813505) internal successors, (1167), 624 states have internal predecessors, (1167), 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) [2021-10-14 11:55:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1167 transitions. [2021-10-14 11:55:03,611 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1167 transitions. Word has length 43 [2021-10-14 11:55:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:03,611 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 1167 transitions. [2021-10-14 11:55:03,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-10-14 11:55:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1167 transitions. [2021-10-14 11:55:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-14 11:55:03,613 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:03,613 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] [2021-10-14 11:55:03,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 11:55:03,613 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:55:03,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:03,614 INFO L82 PathProgramCache]: Analyzing trace with hash 422026896, now seen corresponding path program 1 times [2021-10-14 11:55:03,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:03,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590611182] [2021-10-14 11:55:03,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:03,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:03,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:03,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:03,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590611182] [2021-10-14 11:55:03,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590611182] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:03,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:03,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-14 11:55:03,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286880425] [2021-10-14 11:55:03,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 11:55:03,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:03,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 11:55:03,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:03,745 INFO L87 Difference]: Start difference. First operand 625 states and 1167 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-10-14 11:55:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:03,903 INFO L93 Difference]: Finished difference Result 825 states and 1503 transitions. [2021-10-14 11:55:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 11:55:03,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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 44 [2021-10-14 11:55:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:03,907 INFO L225 Difference]: With dead ends: 825 [2021-10-14 11:55:03,907 INFO L226 Difference]: Without dead ends: 657 [2021-10-14 11:55:03,907 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:03,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2021-10-14 11:55:03,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 546. [2021-10-14 11:55:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 543 states have (on average 1.8195211786372008) internal successors, (988), 545 states have internal predecessors, (988), 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) [2021-10-14 11:55:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 988 transitions. [2021-10-14 11:55:03,944 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 988 transitions. Word has length 44 [2021-10-14 11:55:03,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:03,944 INFO L470 AbstractCegarLoop]: Abstraction has 546 states and 988 transitions. [2021-10-14 11:55:03,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-10-14 11:55:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 988 transitions. [2021-10-14 11:55:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-14 11:55:03,946 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:03,946 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] [2021-10-14 11:55:03,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-14 11:55:03,947 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:55:03,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:03,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1427562174, now seen corresponding path program 1 times [2021-10-14 11:55:03,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:03,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496576978] [2021-10-14 11:55:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:03,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-14 11:55:03,975 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-14 11:55:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-14 11:55:04,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-14 11:55:04,034 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-14 11:55:04,034 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:04,036 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:04,036 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 11:55:04,037 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:04,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-14 11:55:04,041 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 11:55:04,041 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 11:55:04,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:55:04 BasicIcfg [2021-10-14 11:55:04,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 11:55:04,074 INFO L168 Benchmark]: Toolchain (without parser) took 2185.32 ms. Allocated memory was 203.4 MB in the beginning and 295.7 MB in the end (delta: 92.3 MB). Free memory was 150.9 MB in the beginning and 254.4 MB in the end (delta: -103.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 11:55:04,075 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 168.7 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 11:55:04,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.39 ms. Allocated memory was 203.4 MB in the beginning and 295.7 MB in the end (delta: 92.3 MB). Free memory was 150.7 MB in the beginning and 264.3 MB in the end (delta: -113.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:04,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.99 ms. Allocated memory is still 295.7 MB. Free memory was 264.3 MB in the beginning and 262.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:04,076 INFO L168 Benchmark]: Boogie Preprocessor took 32.31 ms. Allocated memory is still 295.7 MB. Free memory was 262.2 MB in the beginning and 260.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:04,076 INFO L168 Benchmark]: RCFGBuilder took 319.64 ms. Allocated memory is still 295.7 MB. Free memory was 260.6 MB in the beginning and 247.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:04,076 INFO L168 Benchmark]: TraceAbstraction took 1369.33 ms. Allocated memory is still 295.7 MB. Free memory was 247.0 MB in the beginning and 254.4 MB in the end (delta: -7.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 11:55:04,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 168.7 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 407.39 ms. Allocated memory was 203.4 MB in the beginning and 295.7 MB in the end (delta: 92.3 MB). Free memory was 150.7 MB in the beginning and 264.3 MB in the end (delta: -113.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 51.99 ms. Allocated memory is still 295.7 MB. Free memory was 264.3 MB in the beginning and 262.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.31 ms. Allocated memory is still 295.7 MB. Free memory was 262.2 MB in the beginning and 260.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 319.64 ms. Allocated memory is still 295.7 MB. Free memory was 260.6 MB in the beginning and 247.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1369.33 ms. Allocated memory is still 295.7 MB. Free memory was 247.0 MB in the beginning and 254.4 MB in the end (delta: -7.4 MB). There was no memory consumed. 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: 676]: the program contains a data race the program contains a data race We found a FailurePath: [L672] 0 struct { int x; int y; } data; VAL [data={6:0}] [L673] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [data={6:0}, m={7:0}] [L683] 0 pthread_t id; VAL [data={6:0}, m={7:0}] [L684] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={6:0}, m={7:0}] [L676] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={6:0}, data.x=0, m={7:0}] [L686] 0 data.x VAL [arg={0:0}, arg={0:0}, data={6:0}, data.x=0, data.x++=50, data.x++=0, data.x++=49, m={7:0}] [L676] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={6:0}, data.x=0, data.x++=50, data.x++=0, data.x++=49, m={7:0}] - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: 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 with 1 thread instances CFG has 3 procedures, 109 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1251.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 15.1ms, AutomataDifference: 452.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 65.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 221 SDtfs, 228 SDslu, 271 SDs, 0 SdLazy, 327 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 262.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 72.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 98.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 333 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.9ms SsaConstructionTime, 104.4ms SatisfiabilityAnalysisTime, 297.6ms InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 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! [2021-10-14 11:55:04,104 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...