/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/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -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/weaver/bench-exp2x6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-73dbefe-m [2022-11-11 13:41:05,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-11 13:41:05,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-11 13:41:05,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-11 13:41:05,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-11 13:41:05,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-11 13:41:05,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-11 13:41:05,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-11 13:41:05,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-11 13:41:05,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-11 13:41:05,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-11 13:41:05,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-11 13:41:05,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-11 13:41:05,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-11 13:41:05,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-11 13:41:05,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-11 13:41:05,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-11 13:41:05,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-11 13:41:05,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-11 13:41:05,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-11 13:41:05,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-11 13:41:05,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-11 13:41:05,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-11 13:41:05,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-11 13:41:06,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-11 13:41:06,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-11 13:41:06,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-11 13:41:06,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-11 13:41:06,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-11 13:41:06,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-11 13:41:06,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-11 13:41:06,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-11 13:41:06,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-11 13:41:06,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-11 13:41:06,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-11 13:41:06,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-11 13:41:06,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-11 13:41:06,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-11 13:41:06,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-11 13:41:06,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-11 13:41:06,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-11 13:41:06,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-11 13:41:06,040 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-11 13:41:06,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-11 13:41:06,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-11 13:41:06,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-11 13:41:06,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-11 13:41:06,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-11 13:41:06,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-11 13:41:06,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-11 13:41:06,041 INFO L138 SettingsManager]: * Use SBE=true [2022-11-11 13:41:06,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-11 13:41:06,041 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-11 13:41:06,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-11 13:41:06,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-11 13:41:06,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-11 13:41:06,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-11 13:41:06,043 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-11 13:41:06,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-11 13:41:06,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-11 13:41:06,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-11 13:41:06,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-11 13:41:06,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-11 13:41:06,292 INFO L275 PluginConnector]: CDTParser initialized [2022-11-11 13:41:06,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2022-11-11 13:41:06,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af06791c4/fc4e3ebfb5c44709bf587d93f1e1b16d/FLAG666b4be5d [2022-11-11 13:41:06,739 INFO L306 CDTParser]: Found 1 translation units. [2022-11-11 13:41:06,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2022-11-11 13:41:06,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af06791c4/fc4e3ebfb5c44709bf587d93f1e1b16d/FLAG666b4be5d [2022-11-11 13:41:06,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af06791c4/fc4e3ebfb5c44709bf587d93f1e1b16d [2022-11-11 13:41:06,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-11 13:41:06,768 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-11 13:41:06,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-11 13:41:06,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-11 13:41:06,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-11 13:41:06,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 01:41:06" (1/1) ... [2022-11-11 13:41:06,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4ec8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:06, skipping insertion in model container [2022-11-11 13:41:06,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 01:41:06" (1/1) ... [2022-11-11 13:41:06,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-11 13:41:06,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-11 13:41:06,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-11 13:41:06,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-11 13:41:06,967 INFO L203 MainTranslator]: Completed pre-run [2022-11-11 13:41:07,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-11 13:41:07,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-11 13:41:07,019 INFO L208 MainTranslator]: Completed translation [2022-11-11 13:41:07,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07 WrapperNode [2022-11-11 13:41:07,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-11 13:41:07,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-11 13:41:07,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-11 13:41:07,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-11 13:41:07,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,068 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-11 13:41:07,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-11 13:41:07,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-11 13:41:07,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-11 13:41:07,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-11 13:41:07,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-11 13:41:07,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-11 13:41:07,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-11 13:41:07,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-11 13:41:07,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (1/1) ... [2022-11-11 13:41:07,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-11 13:41:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 13:41:07,136 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) [2022-11-11 13:41:07,141 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 [2022-11-11 13:41:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-11 13:41:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-11 13:41:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-11 13:41:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-11 13:41:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-11 13:41:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-11 13:41:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-11 13:41:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-11 13:41:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-11 13:41:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-11 13:41:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-11 13:41:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-11 13:41:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-11 13:41:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-11 13:41:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-11 13:41:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-11 13:41:07,169 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-11 13:41:07,244 INFO L235 CfgBuilder]: Building ICFG [2022-11-11 13:41:07,245 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-11 13:41:07,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-11 13:41:07,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-11 13:41:07,620 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-11 13:41:07,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 01:41:07 BoogieIcfgContainer [2022-11-11 13:41:07,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-11 13:41:07,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-11 13:41:07,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-11 13:41:07,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-11 13:41:07,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 01:41:06" (1/3) ... [2022-11-11 13:41:07,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680262ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 01:41:07, skipping insertion in model container [2022-11-11 13:41:07,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:41:07" (2/3) ... [2022-11-11 13:41:07,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680262ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 01:41:07, skipping insertion in model container [2022-11-11 13:41:07,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 01:41:07" (3/3) ... [2022-11-11 13:41:07,628 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2022-11-11 13:41:07,633 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-11 13:41:07,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-11 13:41:07,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-11-11 13:41:07,639 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-11 13:41:07,728 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-11 13:41:07,778 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-11 13:41:07,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-11 13:41:07,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 13:41:07,792 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) [2022-11-11 13:41:07,793 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 [2022-11-11 13:41:07,823 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-11 13:41:07,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2022-11-11 13:41:07,834 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d97e878, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-11 13:41:07,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-11 13:41:08,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-11 13:41:08,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 13:41:08,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1477091430, now seen corresponding path program 1 times [2022-11-11 13:41:08,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 13:41:08,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210750074] [2022-11-11 13:41:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 13:41:08,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 13:41:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 13:41:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 13:41:08,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 13:41:08,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210750074] [2022-11-11 13:41:08,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210750074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 13:41:08,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 13:41:08,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 13:41:08,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205093618] [2022-11-11 13:41:08,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 13:41:08,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-11 13:41:08,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 13:41:08,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-11 13:41:08,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-11 13:41:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,299 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 13:41:08,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 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) [2022-11-11 13:41:08,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-11 13:41:08,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-11 13:41:08,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 13:41:08,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1412298268, now seen corresponding path program 1 times [2022-11-11 13:41:08,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 13:41:08,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220184843] [2022-11-11 13:41:08,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 13:41:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 13:41:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 13:41:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 13:41:08,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 13:41:08,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220184843] [2022-11-11 13:41:08,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220184843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 13:41:08,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 13:41:08,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 13:41:08,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149906812] [2022-11-11 13:41:08,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 13:41:08,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 13:41:08,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 13:41:08,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 13:41:08,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 13:41:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 13:41:08,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-11-11 13:41:08,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-11 13:41:08,522 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-11 13:41:08,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 13:41:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash -8937530, now seen corresponding path program 1 times [2022-11-11 13:41:08,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 13:41:08,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043253337] [2022-11-11 13:41:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 13:41:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 13:41:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 13:41:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 13:41:08,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 13:41:08,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043253337] [2022-11-11 13:41:08,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043253337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 13:41:08,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 13:41:08,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 13:41:08,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347555193] [2022-11-11 13:41:08,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 13:41:08,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 13:41:08,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 13:41:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 13:41:08,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 13:41:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 13:41:08,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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) [2022-11-11 13:41:08,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-11 13:41:08,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-11 13:41:08,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 13:41:08,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1361682780, now seen corresponding path program 1 times [2022-11-11 13:41:08,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 13:41:08,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17994929] [2022-11-11 13:41:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 13:41:08,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 13:41:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 13:41:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 13:41:08,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 13:41:08,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17994929] [2022-11-11 13:41:08,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17994929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 13:41:08,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 13:41:08,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 13:41:08,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745786186] [2022-11-11 13:41:08,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 13:41:08,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 13:41:08,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 13:41:08,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 13:41:08,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 13:41:08,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 13:41:08,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-11-11 13:41:08,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-11 13:41:08,948 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-11 13:41:08,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 13:41:08,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1779957102, now seen corresponding path program 1 times [2022-11-11 13:41:08,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 13:41:08,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264560413] [2022-11-11 13:41:08,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 13:41:08,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 13:41:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 13:41:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 13:41:08,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 13:41:08,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264560413] [2022-11-11 13:41:08,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264560413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 13:41:08,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 13:41:08,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 13:41:08,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660298506] [2022-11-11 13:41:08,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 13:41:08,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 13:41:08,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 13:41:08,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 13:41:08,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 13:41:08,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 13:41:08,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 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) [2022-11-11 13:41:08,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:08,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:08,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-11 13:41:09,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-11 13:41:09,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 13:41:09,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2080663512, now seen corresponding path program 1 times [2022-11-11 13:41:09,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 13:41:09,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812867107] [2022-11-11 13:41:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 13:41:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 13:41:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 13:41:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 13:41:09,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 13:41:09,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812867107] [2022-11-11 13:41:09,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812867107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 13:41:09,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 13:41:09,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 13:41:09,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403287851] [2022-11-11 13:41:09,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 13:41:09,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 13:41:09,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 13:41:09,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 13:41:09,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 13:41:09,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 13:41:09,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 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) [2022-11-11 13:41:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-11 13:41:09,223 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-11 13:41:09,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 13:41:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash -18946722, now seen corresponding path program 1 times [2022-11-11 13:41:09,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 13:41:09,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764245365] [2022-11-11 13:41:09,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 13:41:09,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 13:41:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 13:41:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 13:41:09,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 13:41:09,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764245365] [2022-11-11 13:41:09,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764245365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 13:41:09,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 13:41:09,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 13:41:09,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512339924] [2022-11-11 13:41:09,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 13:41:09,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 13:41:09,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 13:41:09,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 13:41:09,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 13:41:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 13:41:09,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 65.5) internal successors, (131), 3 states have internal predecessors, (131), 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) [2022-11-11 13:41:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 13:41:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 13:41:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.