/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_24-sound_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:07:34,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:07:34,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:07:35,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 15:07:35,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:07:35,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:07:35,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:07:35,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:07:35,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:07:35,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:07:35,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:07:35,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:07:35,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:07:35,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:07:35,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:07:35,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:07:35,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 15:07:35,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 15:07:35,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 15:07:35,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 15:07:35,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 15:07:35,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 15:07:35,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:07:35,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:07:35,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:07:35,052 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 [2022-03-15 15:07:35,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:07:35,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:07:35,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:07:35,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:07:35,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:07:35,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:07:35,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:07:35,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:07:35,080 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:07:35,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:07:35,081 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:07:35,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:07:35,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:07:35,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:07:35,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:07:35,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:07:35,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:07:35,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:07:35,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:07:35,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:07:35,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:07:35,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:07:35,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:07:35,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:07:35,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:07:35,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:07:35,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:07:35,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:07:35,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:07:35,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:07:35,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:07:35,267 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:07:35,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_24-sound_lock.i [2022-03-15 15:07:35,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e60c7cac/d83dadbc3a2b4e1fb338a1a1696e322d/FLAG09c1f304b [2022-03-15 15:07:35,725 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:07:35,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_24-sound_lock.i [2022-03-15 15:07:35,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e60c7cac/d83dadbc3a2b4e1fb338a1a1696e322d/FLAG09c1f304b [2022-03-15 15:07:35,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e60c7cac/d83dadbc3a2b4e1fb338a1a1696e322d [2022-03-15 15:07:35,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:07:35,749 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:07:35,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:07:35,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:07:35,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:07:35,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:07:35" (1/1) ... [2022-03-15 15:07:35,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d14c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:35, skipping insertion in model container [2022-03-15 15:07:35,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:07:35" (1/1) ... [2022-03-15 15:07:35,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:07:35,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:07:36,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:07:36,072 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:07:36,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:07:36,139 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:07:36,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36 WrapperNode [2022-03-15 15:07:36,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:07:36,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:07:36,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:07:36,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:07:36,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,193 INFO L137 Inliner]: procedures = 263, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-03-15 15:07:36,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:07:36,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:07:36,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:07:36,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:07:36,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:07:36,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:07:36,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:07:36,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:07:36,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (1/1) ... [2022-03-15 15:07:36,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:07:36,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:07:36,260 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) [2022-03-15 15:07:36,279 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 [2022-03-15 15:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 15:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:07:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 15:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:07:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:07:36,292 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:07:36,395 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:07:36,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:07:36,500 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:07:36,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:07:36,505 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 15:07:36,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:07:36 BoogieIcfgContainer [2022-03-15 15:07:36,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:07:36,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:07:36,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:07:36,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:07:36,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:07:35" (1/3) ... [2022-03-15 15:07:36,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d3d4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:07:36, skipping insertion in model container [2022-03-15 15:07:36,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:36" (2/3) ... [2022-03-15 15:07:36,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d3d4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:07:36, skipping insertion in model container [2022-03-15 15:07:36,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:07:36" (3/3) ... [2022-03-15 15:07:36,511 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_24-sound_lock.i [2022-03-15 15:07:36,515 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:07:36,515 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:07:36,515 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-15 15:07:36,515 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:07:36,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,540 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,540 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:36,545 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-15 15:07:36,572 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:07:36,576 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 [2022-03-15 15:07:36,576 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-15 15:07:36,583 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 80 transitions, 168 flow [2022-03-15 15:07:36,628 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 381 states, 370 states have (on average 1.8675675675675676) internal successors, (691), 380 states have internal predecessors, (691), 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) [2022-03-15 15:07:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 381 states, 370 states have (on average 1.8675675675675676) internal successors, (691), 380 states have internal predecessors, (691), 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) [2022-03-15 15:07:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-15 15:07:36,635 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:36,635 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] [2022-03-15 15:07:36,636 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)] === [2022-03-15 15:07:36,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1636369980, now seen corresponding path program 1 times [2022-03-15 15:07:36,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:36,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976419137] [2022-03-15 15:07:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:36,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:07:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:07:36,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:07:36,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976419137] [2022-03-15 15:07:36,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976419137] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:07:36,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:07:36,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:07:36,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937392374] [2022-03-15 15:07:36,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:07:36,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:07:36,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:07:36,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:07:36,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:36,865 INFO L87 Difference]: Start difference. First operand has 381 states, 370 states have (on average 1.8675675675675676) internal successors, (691), 380 states have internal predecessors, (691), 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 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-03-15 15:07:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:07:36,930 INFO L93 Difference]: Finished difference Result 439 states and 799 transitions. [2022-03-15 15:07:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:07:36,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2022-03-15 15:07:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:07:36,957 INFO L225 Difference]: With dead ends: 439 [2022-03-15 15:07:36,957 INFO L226 Difference]: Without dead ends: 439 [2022-03-15 15:07:36,958 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 [2022-03-15 15:07:36,960 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 30 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 148 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 [2022-03-15 15:07:36,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 148 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:07:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-03-15 15:07:37,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 382. [2022-03-15 15:07:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 372 states have (on average 1.85752688172043) internal successors, (691), 381 states have internal predecessors, (691), 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) [2022-03-15 15:07:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 691 transitions. [2022-03-15 15:07:37,016 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 691 transitions. Word has length 38 [2022-03-15 15:07:37,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:07:37,017 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 691 transitions. [2022-03-15 15:07:37,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-03-15 15:07:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 691 transitions. [2022-03-15 15:07:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-15 15:07:37,018 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:37,018 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] [2022-03-15 15:07:37,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:07:37,019 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)] === [2022-03-15 15:07:37,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash -851345857, now seen corresponding path program 1 times [2022-03-15 15:07:37,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:37,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919673653] [2022-03-15 15:07:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:37,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:07:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:07:37,078 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:07:37,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919673653] [2022-03-15 15:07:37,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919673653] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:07:37,079 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:07:37,079 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:07:37,079 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450578584] [2022-03-15 15:07:37,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:07:37,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:07:37,080 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:07:37,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:07:37,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:37,081 INFO L87 Difference]: Start difference. First operand 382 states and 691 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) [2022-03-15 15:07:37,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:07:37,124 INFO L93 Difference]: Finished difference Result 405 states and 734 transitions. [2022-03-15 15:07:37,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:07:37,127 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 [2022-03-15 15:07:37,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:07:37,129 INFO L225 Difference]: With dead ends: 405 [2022-03-15 15:07:37,129 INFO L226 Difference]: Without dead ends: 396 [2022-03-15 15:07:37,130 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 [2022-03-15 15:07:37,131 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 20 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:07:37,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 141 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:07:37,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-03-15 15:07:37,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 381. [2022-03-15 15:07:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 372 states have (on average 1.846774193548387) internal successors, (687), 380 states have internal predecessors, (687), 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) [2022-03-15 15:07:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 687 transitions. [2022-03-15 15:07:37,144 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 687 transitions. Word has length 42 [2022-03-15 15:07:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:07:37,144 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 687 transitions. [2022-03-15 15:07:37,144 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) [2022-03-15 15:07:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 687 transitions. [2022-03-15 15:07:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-15 15:07:37,145 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:37,145 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] [2022-03-15 15:07:37,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:07:37,145 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)] === [2022-03-15 15:07:37,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:37,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1835007955, now seen corresponding path program 1 times [2022-03-15 15:07:37,146 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:37,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563920509] [2022-03-15 15:07:37,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:37,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:07:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:07:37,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:07:37,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563920509] [2022-03-15 15:07:37,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563920509] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:07:37,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:07:37,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:07:37,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372196] [2022-03-15 15:07:37,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:07:37,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:07:37,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:07:37,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:07:37,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:37,212 INFO L87 Difference]: Start difference. First operand 381 states and 687 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 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) [2022-03-15 15:07:37,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:07:37,240 INFO L93 Difference]: Finished difference Result 391 states and 705 transitions. [2022-03-15 15:07:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:07:37,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 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 [2022-03-15 15:07:37,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:07:37,243 INFO L225 Difference]: With dead ends: 391 [2022-03-15 15:07:37,243 INFO L226 Difference]: Without dead ends: 391 [2022-03-15 15:07:37,246 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 [2022-03-15 15:07:37,247 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 134 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 [2022-03-15 15:07:37,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 134 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:07:37,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-03-15 15:07:37,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 381. [2022-03-15 15:07:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 374 states have (on average 1.8342245989304813) internal successors, (686), 380 states have internal predecessors, (686), 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) [2022-03-15 15:07:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 686 transitions. [2022-03-15 15:07:37,280 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 686 transitions. Word has length 43 [2022-03-15 15:07:37,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:07:37,281 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 686 transitions. [2022-03-15 15:07:37,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 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) [2022-03-15 15:07:37,281 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 686 transitions. [2022-03-15 15:07:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-15 15:07:37,288 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:37,288 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] [2022-03-15 15:07:37,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 15:07:37,288 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-15 15:07:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:37,289 INFO L85 PathProgramCache]: Analyzing trace with hash 673597274, now seen corresponding path program 1 times [2022-03-15 15:07:37,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:37,289 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828524646] [2022-03-15 15:07:37,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:37,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:07:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:07:37,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:07:37,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828524646] [2022-03-15 15:07:37,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828524646] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:07:37,384 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:07:37,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 15:07:37,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242446798] [2022-03-15 15:07:37,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:07:37,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 15:07:37,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:07:37,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 15:07:37,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 15:07:37,385 INFO L87 Difference]: Start difference. First operand 381 states and 686 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-03-15 15:07:37,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:07:37,441 INFO L93 Difference]: Finished difference Result 597 states and 1054 transitions. [2022-03-15 15:07:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 15:07:37,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2022-03-15 15:07:37,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:07:37,444 INFO L225 Difference]: With dead ends: 597 [2022-03-15 15:07:37,444 INFO L226 Difference]: Without dead ends: 597 [2022-03-15 15:07:37,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 15:07:37,445 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 65 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:07:37,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 206 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:07:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2022-03-15 15:07:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 436. [2022-03-15 15:07:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 429 states have (on average 1.8041958041958042) internal successors, (774), 435 states have internal predecessors, (774), 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) [2022-03-15 15:07:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 774 transitions. [2022-03-15 15:07:37,462 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 774 transitions. Word has length 47 [2022-03-15 15:07:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:07:37,463 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 774 transitions. [2022-03-15 15:07:37,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-03-15 15:07:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 774 transitions. [2022-03-15 15:07:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-15 15:07:37,464 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:37,464 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] [2022-03-15 15:07:37,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 15:07:37,465 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-15 15:07:37,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:37,468 INFO L85 PathProgramCache]: Analyzing trace with hash 573704484, now seen corresponding path program 1 times [2022-03-15 15:07:37,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:37,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463290327] [2022-03-15 15:07:37,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:37,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:07:37,501 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 15:07:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:07:37,540 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 15:07:37,540 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 15:07:37,541 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-15 15:07:37,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-15 15:07:37,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-15 15:07:37,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-03-15 15:07:37,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2022-03-15 15:07:37,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-15 15:07:37,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-15 15:07:37,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-15 15:07:37,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 15:07:37,545 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-15 15:07:37,548 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:07:37,548 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:07:37,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:07:37 BasicIcfg [2022-03-15 15:07:37,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:07:37,577 INFO L158 Benchmark]: Toolchain (without parser) took 1828.09ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 138.2MB in the beginning and 165.3MB in the end (delta: -27.1MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-03-15 15:07:37,577 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 156.3MB in the beginning and 156.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:07:37,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.30ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 137.9MB in the beginning and 189.8MB in the end (delta: -51.9MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. [2022-03-15 15:07:37,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.50ms. Allocated memory is still 230.7MB. Free memory was 189.8MB in the beginning and 187.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:07:37,578 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 230.7MB. Free memory was 187.7MB in the beginning and 186.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 15:07:37,578 INFO L158 Benchmark]: RCFGBuilder took 281.92ms. Allocated memory is still 230.7MB. Free memory was 186.2MB in the beginning and 173.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-15 15:07:37,578 INFO L158 Benchmark]: TraceAbstraction took 1069.09ms. Allocated memory is still 230.7MB. Free memory was 173.1MB in the beginning and 165.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-03-15 15:07:37,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 156.3MB in the beginning and 156.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.30ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 137.9MB in the beginning and 189.8MB in the end (delta: -51.9MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.50ms. Allocated memory is still 230.7MB. Free memory was 189.8MB in the beginning and 187.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 230.7MB. Free memory was 187.7MB in the beginning and 186.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 281.92ms. Allocated memory is still 230.7MB. Free memory was 186.2MB in the beginning and 173.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1069.09ms. Allocated memory is still 230.7MB. Free memory was 173.1MB in the beginning and 165.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.3MB. 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: 923]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int myglobal; VAL [myglobal=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L928] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, i=1, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L929] 0 pthread_t id; VAL [i=1, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 0 pthread_mutex_t *m = &mutex1; VAL [i=1, id={3:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L931] COND TRUE 0 \read(i) VAL [i=1, id={3:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L931] 0 m = &mutex2 VAL [i=1, id={3:0}, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, i=1, id={3:0}, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L923] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L934] 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, i=1, id={3:0}, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L923] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, 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 [934] and C: myglobal=myglobal+1 [923] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 936]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: 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, 97 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 629 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 331 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=436occurred in iteration=4, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 243 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2022-03-15 15:07:37,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...