/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/04-mutex_03-munge_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:20:28,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:20:28,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:20:28,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 18:20:28,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 18:20:28,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 18:20:28,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 18:20:28,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 18:20:28,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 18:20:28,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 18:20:28,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 18:20:28,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 18:20:28,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:20:28,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:20:28,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:20:28,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:20:28,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:20:28,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:20:28,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:20:28,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:20:28,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:20:28,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:20:28,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:20:28,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:20:28,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:20:28,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:20:28,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:20:28,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:20:28,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:20:28,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-03 18:20:28,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:20:28,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:20:28,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:20:28,553 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 [2022-03-03 18:20:28,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:20:28,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:20:28,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:20:28,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:20:28,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:20:28,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:20:28,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:20:28,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:20:28,584 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:20:28,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:20:28,584 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:20:28,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:20:28,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:20:28,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:20:28,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:20:28,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:20:28,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:20:28,585 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:20:28,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:20:28,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:20:28,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:20:28,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:20:28,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:28,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:20:28,586 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:20:28,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:20:28,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:20:28,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:20:28,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:20:28,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:20:28,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:20:28,810 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:20:28,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_03-munge_rc.i [2022-03-03 18:20:28,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04116285d/bf77759c2c9f41f08bf88627dd8f1dfb/FLAG84db94f58 [2022-03-03 18:20:29,293 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:20:29,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_03-munge_rc.i [2022-03-03 18:20:29,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04116285d/bf77759c2c9f41f08bf88627dd8f1dfb/FLAG84db94f58 [2022-03-03 18:20:29,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04116285d/bf77759c2c9f41f08bf88627dd8f1dfb [2022-03-03 18:20:29,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:20:29,635 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:20:29,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:29,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:20:29,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:20:29,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b348c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29, skipping insertion in model container [2022-03-03 18:20:29,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:20:29,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:20:30,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:30,116 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:20:30,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:30,228 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:20:30,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30 WrapperNode [2022-03-03 18:20:30,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:30,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:30,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:20:30,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:20:30,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,290 INFO L137 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-03-03 18:20:30,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:30,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:20:30,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:20:30,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:20:30,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:20:30,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:20:30,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:20:30,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:20:30,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (1/1) ... [2022-03-03 18:20:30,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:30,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:20:30,365 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) [2022-03-03 18:20:30,387 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 [2022-03-03 18:20:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:20:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:20:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:20:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:20:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:20:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:20:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:20:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:20:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:20:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:20:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:20:30,405 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:20:30,546 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:20:30,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:20:30,698 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:20:30,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:20:30,704 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:20:30,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:30 BoogieIcfgContainer [2022-03-03 18:20:30,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:20:30,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:20:30,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:20:30,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:20:30,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:20:29" (1/3) ... [2022-03-03 18:20:30,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b4053a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:30, skipping insertion in model container [2022-03-03 18:20:30,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:30" (2/3) ... [2022-03-03 18:20:30,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b4053a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:30, skipping insertion in model container [2022-03-03 18:20:30,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:30" (3/3) ... [2022-03-03 18:20:30,721 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_03-munge_rc.i [2022-03-03 18:20:30,725 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:20:30,725 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:20:30,725 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-03 18:20:30,725 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:20:30,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:30,787 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-03 18:20:30,819 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:20:30,824 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:20:30,825 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-03 18:20:30,834 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 83 transitions, 174 flow [2022-03-03 18:20:30,896 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 589 states, 578 states have (on average 1.9065743944636677) internal successors, (1102), 588 states have internal predecessors, (1102), 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) [2022-03-03 18:20:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 589 states, 578 states have (on average 1.9065743944636677) internal successors, (1102), 588 states have internal predecessors, (1102), 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) [2022-03-03 18:20:30,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-03 18:20:30,904 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,905 INFO L514 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] [2022-03-03 18:20:30,905 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1728653489, now seen corresponding path program 1 times [2022-03-03 18:20:30,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200546851] [2022-03-03 18:20:30,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:31,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:31,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200546851] [2022-03-03 18:20:31,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200546851] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:31,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:31,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:31,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990641488] [2022-03-03 18:20:31,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:31,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:31,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:31,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:31,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:31,133 INFO L87 Difference]: Start difference. First operand has 589 states, 578 states have (on average 1.9065743944636677) internal successors, (1102), 588 states have internal predecessors, (1102), 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 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-03-03 18:20:31,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:31,197 INFO L93 Difference]: Finished difference Result 647 states and 1210 transitions. [2022-03-03 18:20:31,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:31,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2022-03-03 18:20:31,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:31,220 INFO L225 Difference]: With dead ends: 647 [2022-03-03 18:20:31,221 INFO L226 Difference]: Without dead ends: 647 [2022-03-03 18:20:31,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:31,225 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 40 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:31,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 164 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:31,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-03-03 18:20:31,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 584. [2022-03-03 18:20:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 574 states have (on average 1.8989547038327526) internal successors, (1090), 583 states have internal predecessors, (1090), 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) [2022-03-03 18:20:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 1090 transitions. [2022-03-03 18:20:31,302 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 1090 transitions. Word has length 37 [2022-03-03 18:20:31,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:31,303 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 1090 transitions. [2022-03-03 18:20:31,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-03-03 18:20:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1090 transitions. [2022-03-03 18:20:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-03 18:20:31,305 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:31,305 INFO L514 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] [2022-03-03 18:20:31,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:20:31,306 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:31,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:31,306 INFO L85 PathProgramCache]: Analyzing trace with hash -128638924, now seen corresponding path program 1 times [2022-03-03 18:20:31,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:31,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189178398] [2022-03-03 18:20:31,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:31,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:31,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189178398] [2022-03-03 18:20:31,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189178398] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:31,368 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:31,369 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:31,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761090736] [2022-03-03 18:20:31,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:31,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:31,370 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:31,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:31,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:31,371 INFO L87 Difference]: Start difference. First operand 584 states and 1090 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-03-03 18:20:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:31,405 INFO L93 Difference]: Finished difference Result 605 states and 1129 transitions. [2022-03-03 18:20:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:31,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-03-03 18:20:31,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:31,409 INFO L225 Difference]: With dead ends: 605 [2022-03-03 18:20:31,409 INFO L226 Difference]: Without dead ends: 592 [2022-03-03 18:20:31,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:31,411 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:31,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 151 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:31,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-03-03 18:20:31,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 576. [2022-03-03 18:20:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 567 states have (on average 1.8906525573192239) internal successors, (1072), 575 states have internal predecessors, (1072), 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) [2022-03-03 18:20:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 1072 transitions. [2022-03-03 18:20:31,438 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 1072 transitions. Word has length 41 [2022-03-03 18:20:31,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:31,438 INFO L470 AbstractCegarLoop]: Abstraction has 576 states and 1072 transitions. [2022-03-03 18:20:31,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-03-03 18:20:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1072 transitions. [2022-03-03 18:20:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-03 18:20:31,440 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:31,440 INFO L514 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] [2022-03-03 18:20:31,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:20:31,441 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:31,441 INFO L85 PathProgramCache]: Analyzing trace with hash 585901895, now seen corresponding path program 1 times [2022-03-03 18:20:31,442 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:31,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356585944] [2022-03-03 18:20:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:31,546 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:31,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356585944] [2022-03-03 18:20:31,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356585944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:31,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:31,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:31,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121311178] [2022-03-03 18:20:31,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:31,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:31,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:31,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:31,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:31,549 INFO L87 Difference]: Start difference. First operand 576 states and 1072 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-03-03 18:20:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:31,592 INFO L93 Difference]: Finished difference Result 584 states and 1086 transitions. [2022-03-03 18:20:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:31,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2022-03-03 18:20:31,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:31,596 INFO L225 Difference]: With dead ends: 584 [2022-03-03 18:20:31,596 INFO L226 Difference]: Without dead ends: 584 [2022-03-03 18:20:31,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:31,598 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 19 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:31,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 145 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:31,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-03-03 18:20:31,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 573. [2022-03-03 18:20:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 566 states have (on average 1.8816254416961131) internal successors, (1065), 572 states have internal predecessors, (1065), 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) [2022-03-03 18:20:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1065 transitions. [2022-03-03 18:20:31,624 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1065 transitions. Word has length 42 [2022-03-03 18:20:31,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:31,625 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 1065 transitions. [2022-03-03 18:20:31,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-03-03 18:20:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1065 transitions. [2022-03-03 18:20:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-03 18:20:31,627 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:31,628 INFO L514 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] [2022-03-03 18:20:31,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:20:31,628 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:31,629 INFO L85 PathProgramCache]: Analyzing trace with hash -426547607, now seen corresponding path program 1 times [2022-03-03 18:20:31,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:31,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136430024] [2022-03-03 18:20:31,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:31,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:31,668 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:20:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:31,732 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:20:31,733 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:20:31,733 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-03 18:20:31,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-03 18:20:31,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-03 18:20:31,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-03-03 18:20:31,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-03-03 18:20:31,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-03 18:20:31,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-03 18:20:31,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-03 18:20:31,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:20:31,739 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-03 18:20:31,744 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:20:31,744 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:20:31,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:20:31 BasicIcfg [2022-03-03 18:20:31,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:20:31,786 INFO L158 Benchmark]: Toolchain (without parser) took 2150.74ms. Allocated memory was 174.1MB in the beginning and 221.2MB in the end (delta: 47.2MB). Free memory was 121.6MB in the beginning and 82.9MB in the end (delta: 38.7MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2022-03-03 18:20:31,786 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:20:31,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.26ms. Allocated memory was 174.1MB in the beginning and 221.2MB in the end (delta: 47.2MB). Free memory was 121.4MB in the beginning and 182.5MB in the end (delta: -61.1MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2022-03-03 18:20:31,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.19ms. Allocated memory is still 221.2MB. Free memory was 182.5MB in the beginning and 180.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:20:31,791 INFO L158 Benchmark]: Boogie Preprocessor took 38.19ms. Allocated memory is still 221.2MB. Free memory was 180.4MB in the beginning and 178.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 18:20:31,795 INFO L158 Benchmark]: RCFGBuilder took 376.35ms. Allocated memory is still 221.2MB. Free memory was 178.9MB in the beginning and 165.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-03 18:20:31,796 INFO L158 Benchmark]: TraceAbstraction took 1073.99ms. Allocated memory is still 221.2MB. Free memory was 165.2MB in the beginning and 82.9MB in the end (delta: 82.3MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2022-03-03 18:20:31,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 590.26ms. Allocated memory was 174.1MB in the beginning and 221.2MB in the end (delta: 47.2MB). Free memory was 121.4MB in the beginning and 182.5MB in the end (delta: -61.1MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.19ms. Allocated memory is still 221.2MB. Free memory was 182.5MB in the beginning and 180.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.19ms. Allocated memory is still 221.2MB. Free memory was 180.4MB in the beginning and 178.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 376.35ms. Allocated memory is still 221.2MB. Free memory was 178.9MB in the beginning and 165.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1073.99ms. Allocated memory is still 221.2MB. Free memory was 165.2MB in the beginning and 82.9MB in the end (delta: 82.3MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 0 pthread_t id; VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L926] CALL 1 munge(&mutex2) [L932] CALL 0 munge(&mutex1) [L922] EXPR 0 myglobal+1 VAL [m={2:0}, m={1:0}, m={2:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_mutex_lock(m)=0] [L922] 0 myglobal=myglobal+1 VAL [m={1:0}, m={2:0}, m={1:0}, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25, pthread_mutex_lock(m)=0] [L922] 1 myglobal+1 VAL [m={1:0}, m={2:0}, m={2:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L922] 0 myglobal=myglobal+1 VAL [m={1:0}, m={2:0}, m={2:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [922] and C: myglobal=myglobal+1 [922] - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: 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. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 460 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 179 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 283 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=589occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 90 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: unable to determine feasibility of some traces [2022-03-03 18:20:31,867 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...