/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.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/02-base_25-malloc_race_cp.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 11:05:06,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 11:05:06,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 11:05:06,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-11 11:05:06,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 11:05:06,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 11:05:06,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 11:05:06,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 11:05:06,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 11:05:06,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 11:05:06,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 11:05:06,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 11:05:06,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 11:05:06,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 11:05:06,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 11:05:06,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 11:05:06,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 11:05:06,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 11:05:06,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 11:05:06,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 11:05:06,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 11:05:06,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-11 11:05:06,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 11:05:06,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 11:05:06,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 11:05:06,187 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 11:05:06,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 11:05:06,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 11:05:06,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 11:05:06,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 11:05:06,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 11:05:06,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 11:05:06,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 11:05:06,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 11:05:06,207 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 11:05:06,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 11:05:06,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 11:05:06,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 11:05:06,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 11:05:06,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 11:05:06,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 11:05:06,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 11:05:06,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:05:06,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 11:05:06,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 11:05:06,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 11:05:06,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 11:05:06,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 11:05:06,215 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 11:05:06,215 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 11:05:06,215 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 11:05:06,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 11:05:06,215 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 11:05:06,215 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 11:05:06,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-11 11:05:06,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 11:05:06,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 11:05:06,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 11:05:06,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 11:05:06,419 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 11:05:06,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_25-malloc_race_cp.i [2022-02-11 11:05:06,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acfe5a214/0b25aa61a4f74d898f26e9b3938cdafa/FLAG0e1a3a312 [2022-02-11 11:05:06,905 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 11:05:06,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_25-malloc_race_cp.i [2022-02-11 11:05:06,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acfe5a214/0b25aa61a4f74d898f26e9b3938cdafa/FLAG0e1a3a312 [2022-02-11 11:05:06,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acfe5a214/0b25aa61a4f74d898f26e9b3938cdafa [2022-02-11 11:05:06,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 11:05:06,948 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 11:05:06,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 11:05:06,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 11:05:06,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 11:05:06,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 11:05:06" (1/1) ... [2022-02-11 11:05:06,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3b7892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:06, skipping insertion in model container [2022-02-11 11:05:06,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 11:05:06" (1/1) ... [2022-02-11 11:05:06,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 11:05:06,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 11:05:07,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 11:05:07,475 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 11:05:07,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 11:05:07,563 INFO L208 MainTranslator]: Completed translation [2022-02-11 11:05:07,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07 WrapperNode [2022-02-11 11:05:07,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 11:05:07,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 11:05:07,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 11:05:07,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 11:05:07,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,601 INFO L137 Inliner]: procedures = 365, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2022-02-11 11:05:07,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 11:05:07,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 11:05:07,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 11:05:07,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 11:05:07,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 11:05:07,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 11:05:07,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 11:05:07,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 11:05:07,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (1/1) ... [2022-02-11 11:05:07,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:05:07,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:05:07,671 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) [2022-02-11 11:05:07,673 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 [2022-02-11 11:05:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 11:05:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 11:05:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 11:05:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 11:05:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 11:05:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-11 11:05:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 11:05:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-11 11:05:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-11 11:05:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 11:05:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 11:05:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 11:05:07,700 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 11:05:07,832 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 11:05:07,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 11:05:07,998 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 11:05:08,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 11:05:08,004 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 11:05:08,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:05:08 BoogieIcfgContainer [2022-02-11 11:05:08,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 11:05:08,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 11:05:08,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 11:05:08,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 11:05:08,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 11:05:06" (1/3) ... [2022-02-11 11:05:08,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f076aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 11:05:08, skipping insertion in model container [2022-02-11 11:05:08,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:05:07" (2/3) ... [2022-02-11 11:05:08,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f076aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 11:05:08, skipping insertion in model container [2022-02-11 11:05:08,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:05:08" (3/3) ... [2022-02-11 11:05:08,010 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_25-malloc_race_cp.i [2022-02-11 11:05:08,013 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 11:05:08,013 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 11:05:08,013 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-02-11 11:05:08,013 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 11:05:08,047 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,047 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,047 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,047 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,048 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,048 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,048 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,048 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,048 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,048 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,049 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,049 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,049 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,049 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,049 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,049 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,050 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,050 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,050 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,050 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,050 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,051 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,051 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,051 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,051 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,052 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,052 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,052 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,052 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,052 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,053 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,053 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,053 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,053 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,053 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,054 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,054 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,054 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,054 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,054 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,055 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,055 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,055 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,055 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,055 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,055 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,056 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,056 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,058 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,058 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,058 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,058 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,058 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,058 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,058 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:05:08,060 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 11:05:08,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 11:05:08,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:05:08,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 11:05:08,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 11:05:08,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-02-11 11:05:08,138 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=PARTIAL_ORDER_FA, 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 [2022-02-11 11:05:08,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 11:05:08,233 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:05:08,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:05:08,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1451328407, now seen corresponding path program 1 times [2022-02-11 11:05:08,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:05:08,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218840401] [2022-02-11 11:05:08,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:05:08,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:05:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:05:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:05:08,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:05:08,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218840401] [2022-02-11 11:05:08,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218840401] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:05:08,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:05:08,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 11:05:08,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662255338] [2022-02-11 11:05:08,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:05:08,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:05:08,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:05:08,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:05:08,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:05:08,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:08,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:05:08,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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) [2022-02-11 11:05:08,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:08,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:08,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 11:05:08,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:05:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:05:08,515 INFO L85 PathProgramCache]: Analyzing trace with hash 893594727, now seen corresponding path program 1 times [2022-02-11 11:05:08,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:05:08,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074836019] [2022-02-11 11:05:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:05:08,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:05:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:05:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:05:08,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:05:08,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074836019] [2022-02-11 11:05:08,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074836019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:05:08,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:05:08,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 11:05:08,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066669128] [2022-02-11 11:05:08,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:05:08,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 11:05:08,646 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:05:08,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 11:05:08,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-11 11:05:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:08,648 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:05:08,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 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) [2022-02-11 11:05:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:08,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 11:05:08,710 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:05:08,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:05:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash 873485551, now seen corresponding path program 1 times [2022-02-11 11:05:08,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:05:08,711 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763746076] [2022-02-11 11:05:08,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:05:08,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:05:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:05:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:05:08,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:05:08,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763746076] [2022-02-11 11:05:08,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763746076] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:05:08,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:05:08,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 11:05:08,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794201015] [2022-02-11 11:05:08,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:05:08,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:05:08,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:05:08,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:05:08,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:05:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:08,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:05:08,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-11 11:05:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:09,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 11:05:09,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:05:09,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:05:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1019249491, now seen corresponding path program 1 times [2022-02-11 11:05:09,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:05:09,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921047745] [2022-02-11 11:05:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:05:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:05:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:05:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:05:09,992 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:05:09,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921047745] [2022-02-11 11:05:09,992 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921047745] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:05:09,993 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:05:09,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 11:05:09,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127804147] [2022-02-11 11:05:09,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:05:09,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 11:05:09,993 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:05:09,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 11:05:09,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-11 11:05:09,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:09,995 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:05:09,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 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) [2022-02-11 11:05:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:10,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:10,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService [2022-02-11 11:05:10,109 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:05:10,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:05:10,109 INFO L85 PathProgramCache]: Analyzing trace with hash -438736109, now seen corresponding path program 1 times [2022-02-11 11:05:10,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:05:10,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399272904] [2022-02-11 11:05:10,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:05:10,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:05:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:05:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:05:10,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:05:10,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399272904] [2022-02-11 11:05:10,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399272904] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:05:10,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:05:10,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:05:10,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31343398] [2022-02-11 11:05:10,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:05:10,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:05:10,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:05:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:05:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:05:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:10,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:05:10,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-02-11 11:05:10,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:10,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:10,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:10,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:10,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:05:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:05:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:05:17,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService [2022-02-11 11:05:17,919 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:05:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:05:17,920 INFO L85 PathProgramCache]: Analyzing trace with hash 555577716, now seen corresponding path program 1 times [2022-02-11 11:05:17,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:05:17,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657711999] [2022-02-11 11:05:17,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:05:17,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:05:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 11:05:17,956 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 11:05:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 11:05:18,003 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 11:05:18,004 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 11:05:18,004 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-02-11 11:05:18,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-02-11 11:05:18,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-02-11 11:05:18,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-02-11 11:05:18,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-11 11:05:18,008 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-11 11:05:18,009 INFO L313 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2022-02-11 11:05:18,011 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 11:05:18,011 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 11:05:18,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 11:05:18 BasicIcfg [2022-02-11 11:05:18,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 11:05:18,065 INFO L158 Benchmark]: Toolchain (without parser) took 11117.18ms. Allocated memory was 169.9MB in the beginning and 248.5MB in the end (delta: 78.6MB). Free memory was 108.7MB in the beginning and 136.8MB in the end (delta: -28.1MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-02-11 11:05:18,065 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 127.3MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 11:05:18,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.83ms. Allocated memory was 169.9MB in the beginning and 248.5MB in the end (delta: 78.6MB). Free memory was 108.6MB in the beginning and 193.5MB in the end (delta: -85.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-11 11:05:18,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.37ms. Allocated memory is still 248.5MB. Free memory was 193.5MB in the beginning and 190.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-11 11:05:18,066 INFO L158 Benchmark]: Boogie Preprocessor took 25.45ms. Allocated memory is still 248.5MB. Free memory was 190.9MB in the beginning and 189.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 11:05:18,066 INFO L158 Benchmark]: RCFGBuilder took 376.49ms. Allocated memory is still 248.5MB. Free memory was 188.8MB in the beginning and 173.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-11 11:05:18,067 INFO L158 Benchmark]: TraceAbstraction took 10058.87ms. Allocated memory is still 248.5MB. Free memory was 173.1MB in the beginning and 136.8MB in the end (delta: 36.3MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. [2022-02-11 11:05:18,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 127.3MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 613.83ms. Allocated memory was 169.9MB in the beginning and 248.5MB in the end (delta: 78.6MB). Free memory was 108.6MB in the beginning and 193.5MB in the end (delta: -85.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.37ms. Allocated memory is still 248.5MB. Free memory was 193.5MB in the beginning and 190.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.45ms. Allocated memory is still 248.5MB. Free memory was 190.9MB in the beginning and 189.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 376.49ms. Allocated memory is still 248.5MB. Free memory was 188.8MB in the beginning and 173.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 10058.87ms. Allocated memory is still 248.5MB. Free memory was 173.1MB in the beginning and 136.8MB in the end (delta: 36.3MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 958, positive: 907, positive conditional: 101, positive unconditional: 806, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2771, positive: 2673, positive conditional: 206, positive unconditional: 2467, negative: 98, negative conditional: 7, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2771, positive: 2673, positive conditional: 206, positive unconditional: 2467, negative: 98, negative conditional: 7, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2792, positive: 2673, positive conditional: 192, positive unconditional: 2481, negative: 119, negative conditional: 21, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2792, positive: 2673, positive conditional: 65, positive unconditional: 2608, negative: 119, negative conditional: 3, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2792, positive: 2673, positive conditional: 65, positive unconditional: 2608, negative: 119, negative conditional: 3, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1370, positive: 1309, positive conditional: 2, positive unconditional: 1307, negative: 61, negative conditional: 3, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1370, positive: 1275, positive conditional: 0, positive unconditional: 1275, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, positive: 34, positive conditional: 2, positive unconditional: 32, negative: 35, negative conditional: 3, negative unconditional: 32, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8785, positive: 57, positive conditional: 3, positive unconditional: 54, negative: 53, negative conditional: 6, negative unconditional: 47, unknown: 8675, unknown conditional: 0, unknown unconditional: 8675] ], Cache Queries: [ total: 2792, positive: 1364, positive conditional: 63, positive unconditional: 1301, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 1370, unknown conditional: 5, unknown unconditional: 1365] , Statistics on independence cache: Total cache size (in pairs): 1370, Positive cache size: 1309, Positive conditional cache size: 2, Positive unconditional cache size: 1307, Negative cache size: 61, Negative conditional cache size: 3, Negative unconditional cache size: 58, Eliminated conditions: 145, Maximal queried relation: 4, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 7.7s, Number of persistent set computation: 139, Number of trivial persistent sets: 123, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 844, positive: 806, positive conditional: 0, positive unconditional: 806, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 958, positive: 907, positive conditional: 101, positive unconditional: 806, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2771, positive: 2673, positive conditional: 206, positive unconditional: 2467, negative: 98, negative conditional: 7, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2771, positive: 2673, positive conditional: 206, positive unconditional: 2467, negative: 98, negative conditional: 7, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2792, positive: 2673, positive conditional: 192, positive unconditional: 2481, negative: 119, negative conditional: 21, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2792, positive: 2673, positive conditional: 65, positive unconditional: 2608, negative: 119, negative conditional: 3, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2792, positive: 2673, positive conditional: 65, positive unconditional: 2608, negative: 119, negative conditional: 3, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1370, positive: 1309, positive conditional: 2, positive unconditional: 1307, negative: 61, negative conditional: 3, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1370, positive: 1275, positive conditional: 0, positive unconditional: 1275, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, positive: 34, positive conditional: 2, positive unconditional: 32, negative: 35, negative conditional: 3, negative unconditional: 32, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8785, positive: 57, positive conditional: 3, positive unconditional: 54, negative: 53, negative conditional: 6, negative unconditional: 47, unknown: 8675, unknown conditional: 0, unknown unconditional: 8675] ], Cache Queries: [ total: 2792, positive: 1364, positive conditional: 63, positive unconditional: 1301, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 1370, unknown conditional: 5, unknown unconditional: 1365] , Statistics on independence cache: Total cache size (in pairs): 1370, Positive cache size: 1309, Positive conditional cache size: 2, Positive unconditional cache size: 1307, Negative cache size: 61, Negative conditional cache size: 3, Negative unconditional cache size: 58, Eliminated conditions: 145, Maximal queried relation: 4, Independence queries for same thread: 9 - 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: 1229]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; VAL [x={0:0}] [L1224] 0 int *y; VAL [x={0:0}, y={0:0}] [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={3:0}, x={0:0}, y={0:0}] [L1234] 0 pthread_t id; VAL [id={5:0}, m={3:0}, x={0:0}, y={0:0}] [L1235] 0 int *z; VAL [id={5:0}, m={3:0}, x={0:0}, y={0:0}] [L1236] 0 x = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-2:0}, x={-2:0}, x = malloc(sizeof(int))=102, y={0:0}] [L1237] 0 y = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-3:0}, x={-2:0}, y={-3:0}, y = malloc(sizeof(int))=104] [L1238] 0 z = y VAL [id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1239] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, m={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 *x VAL [arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 \read(*x) VAL [\read(*x)=101, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] 0 printf("%d\n",*x) VAL [\read(*x)=101, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1228] EXPR 1 *x VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1228] 1 *x = 3 VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] EXPR 1 *y VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [*y = 8=103, arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1243] 0 \read(*z) VAL [*y = 8=103, \read(*z)=8, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1229] 1 *y = 8 VAL [*y = 8=103, arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *x = 3 [1228] * C: printf("%d\n",*x) [1241] * C: z = y [1238] * C: *x [1241] * C: *x = 3 [1228] * C: printf("%d\n",*x) [1241] * C: printf("%d\n",*x) [1241] * C: *x [1228] * C: printf("%d\n",*z) [1243] * C: x = malloc(sizeof(int)) [1236] * C: printf("%d\n",*x) [1241] * C: *y [1229] * C: *x = 3 [1228] * C: y = malloc(sizeof(int)) [1237] * C: *x = 3 [1228] and C: *y = 8 [1229] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: 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 for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 9.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2022-02-11 11:05:18,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-11 11:05:18,338 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...