/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_54-pt_rwlock_ww.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:42:31,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:42:31,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:42:31,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 23:42:31,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 23:42:31,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 23:42:31,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 23:42:31,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 23:42:31,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 23:42:31,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 23:42:31,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 23:42:31,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 23:42:31,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 23:42:31,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 23:42:31,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 23:42:31,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 23:42:31,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 23:42:31,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 23:42:31,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 23:42:31,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 23:42:31,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 23:42:31,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 23:42:31,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 23:42:31,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 23:42:31,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 23:42:31,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 23:42:31,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 23:42:31,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 23:42:31,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 23:42:31,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 23:42:31,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 23:42:31,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 23:42:31,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 23:42:31,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 23:42:31,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 23:42:31,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 23:42:31,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 23:42:31,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 23:42:31,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:42:31,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:42:31,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:42:31,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 23:42:31,390 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:42:31,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:42:31,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:42:31,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:42:31,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:42:31,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:42:31,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:42:31,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:42:31,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:42:31,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:31,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:42:31,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:42:31,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:42:31,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:42:31,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:42:31,394 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:42:31,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:42:31,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:42:31,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:42:31,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:42:31,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:42:31,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:42:31,571 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:42:31,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2022-02-10 23:42:31,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159b40ae6/0425a61451ea4fe78b205c22e8b40f1c/FLAGe96da07c1 [2022-02-10 23:42:32,066 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:42:32,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2022-02-10 23:42:32,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159b40ae6/0425a61451ea4fe78b205c22e8b40f1c/FLAGe96da07c1 [2022-02-10 23:42:32,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159b40ae6/0425a61451ea4fe78b205c22e8b40f1c [2022-02-10 23:42:32,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:42:32,097 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:42:32,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:32,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:42:32,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:42:32,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46600a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32, skipping insertion in model container [2022-02-10 23:42:32,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:42:32,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:42:32,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:32,500 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:42:32,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:32,559 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:42:32,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32 WrapperNode [2022-02-10 23:42:32,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:32,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:32,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:42:32,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:42:32,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,589 INFO L137 Inliner]: procedures = 263, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-02-10 23:42:32,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:32,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:42:32,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:42:32,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:42:32,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:42:32,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:42:32,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:42:32,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:42:32,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (1/1) ... [2022-02-10 23:42:32,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:32,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:32,651 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) [2022-02-10 23:42:32,666 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 [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:42:32,679 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:42:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:42:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:42:32,681 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:42:32,758 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:42:32,759 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:42:32,906 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:42:32,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:42:32,911 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:42:32,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:32 BoogieIcfgContainer [2022-02-10 23:42:32,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:42:32,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:42:32,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:42:32,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:42:32,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:42:32" (1/3) ... [2022-02-10 23:42:32,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4559b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:32, skipping insertion in model container [2022-02-10 23:42:32,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:32" (2/3) ... [2022-02-10 23:42:32,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4559b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:32, skipping insertion in model container [2022-02-10 23:42:32,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:32" (3/3) ... [2022-02-10 23:42:32,917 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_54-pt_rwlock_ww.i [2022-02-10 23:42:32,920 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:42:32,920 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:42:32,920 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-10 23:42:32,920 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:42:32,955 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,956 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,956 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,956 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,956 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,956 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,956 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,956 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,957 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,957 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,957 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,957 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,957 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,957 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,958 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,959 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,960 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,960 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,960 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,960 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,960 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,960 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,960 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,961 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,963 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:32,966 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 23:42:33,004 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:42:33,011 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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 [2022-02-10 23:42:33,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-02-10 23:42:33,022 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 95 transitions, 198 flow [2022-02-10 23:42:33,077 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 698 states, 679 states have (on average 1.9263622974963182) internal successors, (1308), 697 states have internal predecessors, (1308), 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) [2022-02-10 23:42:33,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 698 states, 679 states have (on average 1.9263622974963182) internal successors, (1308), 697 states have internal predecessors, (1308), 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) [2022-02-10 23:42:33,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-10 23:42:33,085 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:33,085 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:33,086 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:42:33,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:33,089 INFO L85 PathProgramCache]: Analyzing trace with hash 827672691, now seen corresponding path program 1 times [2022-02-10 23:42:33,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:33,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478900181] [2022-02-10 23:42:33,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:33,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:33,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478900181] [2022-02-10 23:42:33,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478900181] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:33,276 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:33,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:33,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482718573] [2022-02-10 23:42:33,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:33,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:33,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:33,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:33,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,300 INFO L87 Difference]: Start difference. First operand has 698 states, 679 states have (on average 1.9263622974963182) internal successors, (1308), 697 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:33,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:33,378 INFO L93 Difference]: Finished difference Result 941 states and 1760 transitions. [2022-02-10 23:42:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:33,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-10 23:42:33,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:33,401 INFO L225 Difference]: With dead ends: 941 [2022-02-10 23:42:33,401 INFO L226 Difference]: Without dead ends: 941 [2022-02-10 23:42:33,402 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,407 INFO L934 BasicCegarLoop]: 102 mSDtfsCounter, 45 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:33,407 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 175 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:33,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2022-02-10 23:42:33,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 673. [2022-02-10 23:42:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 659 states have (on average 1.9089529590288317) internal successors, (1258), 672 states have internal predecessors, (1258), 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) [2022-02-10 23:42:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 1258 transitions. [2022-02-10 23:42:33,478 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 1258 transitions. Word has length 41 [2022-02-10 23:42:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:33,478 INFO L470 AbstractCegarLoop]: Abstraction has 673 states and 1258 transitions. [2022-02-10 23:42:33,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:33,479 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1258 transitions. [2022-02-10 23:42:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-10 23:42:33,480 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:33,480 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:33,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:42:33,480 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:42:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash 151526078, now seen corresponding path program 1 times [2022-02-10 23:42:33,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:33,481 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550378352] [2022-02-10 23:42:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:33,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:33,533 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:33,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550378352] [2022-02-10 23:42:33,533 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550378352] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:33,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:33,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:33,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835132499] [2022-02-10 23:42:33,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:33,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:33,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:33,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:33,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,536 INFO L87 Difference]: Start difference. First operand 673 states and 1258 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-10 23:42:33,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:33,554 INFO L93 Difference]: Finished difference Result 715 states and 1323 transitions. [2022-02-10 23:42:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:33,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-02-10 23:42:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:33,557 INFO L225 Difference]: With dead ends: 715 [2022-02-10 23:42:33,557 INFO L226 Difference]: Without dead ends: 710 [2022-02-10 23:42:33,557 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,558 INFO L934 BasicCegarLoop]: 116 mSDtfsCounter, 44 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:33,558 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 188 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-02-10 23:42:33,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 645. [2022-02-10 23:42:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 635 states have (on average 1.8913385826771654) internal successors, (1201), 644 states have internal predecessors, (1201), 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) [2022-02-10 23:42:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1201 transitions. [2022-02-10 23:42:33,573 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1201 transitions. Word has length 45 [2022-02-10 23:42:33,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:33,573 INFO L470 AbstractCegarLoop]: Abstraction has 645 states and 1201 transitions. [2022-02-10 23:42:33,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-10 23:42:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1201 transitions. [2022-02-10 23:42:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-10 23:42:33,574 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:33,574 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:33,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:42:33,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:42:33,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash 164654098, now seen corresponding path program 1 times [2022-02-10 23:42:33,575 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:33,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049749458] [2022-02-10 23:42:33,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:33,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:33,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:33,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:33,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049749458] [2022-02-10 23:42:33,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049749458] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:33,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:33,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:33,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086191772] [2022-02-10 23:42:33,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:33,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:33,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:33,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:33,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,620 INFO L87 Difference]: Start difference. First operand 645 states and 1201 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2022-02-10 23:42:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:33,638 INFO L93 Difference]: Finished difference Result 697 states and 1301 transitions. [2022-02-10 23:42:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-02-10 23:42:33,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:33,642 INFO L225 Difference]: With dead ends: 697 [2022-02-10 23:42:33,642 INFO L226 Difference]: Without dead ends: 687 [2022-02-10 23:42:33,642 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,643 INFO L934 BasicCegarLoop]: 106 mSDtfsCounter, 28 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:33,644 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 179 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:33,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2022-02-10 23:42:33,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 647. [2022-02-10 23:42:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 638 states have (on average 1.8871473354231976) internal successors, (1204), 646 states have internal predecessors, (1204), 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) [2022-02-10 23:42:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1204 transitions. [2022-02-10 23:42:33,679 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1204 transitions. Word has length 46 [2022-02-10 23:42:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:33,680 INFO L470 AbstractCegarLoop]: Abstraction has 647 states and 1204 transitions. [2022-02-10 23:42:33,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2022-02-10 23:42:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1204 transitions. [2022-02-10 23:42:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-10 23:42:33,681 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:33,681 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:33,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:42:33,681 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:42:33,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:33,682 INFO L85 PathProgramCache]: Analyzing trace with hash 124843568, now seen corresponding path program 1 times [2022-02-10 23:42:33,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:33,682 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360576779] [2022-02-10 23:42:33,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:33,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:33,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:33,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360576779] [2022-02-10 23:42:33,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360576779] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:33,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:33,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:33,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309757524] [2022-02-10 23:42:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:33,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:33,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:33,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,723 INFO L87 Difference]: Start difference. First operand 647 states and 1204 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-02-10 23:42:33,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:33,749 INFO L93 Difference]: Finished difference Result 646 states and 1199 transitions. [2022-02-10 23:42:33,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:33,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-02-10 23:42:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:33,752 INFO L225 Difference]: With dead ends: 646 [2022-02-10 23:42:33,752 INFO L226 Difference]: Without dead ends: 646 [2022-02-10 23:42:33,752 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,753 INFO L934 BasicCegarLoop]: 100 mSDtfsCounter, 22 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:33,753 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 172 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:33,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2022-02-10 23:42:33,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 634. [2022-02-10 23:42:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 627 states have (on average 1.8771929824561404) internal successors, (1177), 633 states have internal predecessors, (1177), 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) [2022-02-10 23:42:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1177 transitions. [2022-02-10 23:42:33,772 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1177 transitions. Word has length 50 [2022-02-10 23:42:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:33,772 INFO L470 AbstractCegarLoop]: Abstraction has 634 states and 1177 transitions. [2022-02-10 23:42:33,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-02-10 23:42:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1177 transitions. [2022-02-10 23:42:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-10 23:42:33,777 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:33,777 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:33,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 23:42:33,778 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:42:33,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:33,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1766016108, now seen corresponding path program 1 times [2022-02-10 23:42:33,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:33,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761818956] [2022-02-10 23:42:33,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:33,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:33,837 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:33,837 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761818956] [2022-02-10 23:42:33,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761818956] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:33,837 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:33,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 23:42:33,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970172723] [2022-02-10 23:42:33,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:33,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:33,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:33,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:33,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,838 INFO L87 Difference]: Start difference. First operand 634 states and 1177 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-02-10 23:42:33,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:33,866 INFO L93 Difference]: Finished difference Result 112 states and 155 transitions. [2022-02-10 23:42:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:33,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-02-10 23:42:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:33,867 INFO L225 Difference]: With dead ends: 112 [2022-02-10 23:42:33,867 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 23:42:33,867 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:33,868 INFO L934 BasicCegarLoop]: 69 mSDtfsCounter, 25 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:33,868 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 95 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:33,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 23:42:33,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 23:42:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-10 23:42:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 23:42:33,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-02-10 23:42:33,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:33,869 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 23:42:33,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-02-10 23:42:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 23:42:33,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 23:42:33,873 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-02-10 23:42:33,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-02-10 23:42:33,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2022-02-10 23:42:33,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-02-10 23:42:33,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 11 remaining) [2022-02-10 23:42:33,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-02-10 23:42:33,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-02-10 23:42:33,875 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-02-10 23:42:33,875 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-02-10 23:42:33,875 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-02-10 23:42:33,875 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-02-10 23:42:33,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 23:42:33,879 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-10 23:42:33,882 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:42:33,882 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:42:33,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:42:33 BasicIcfg [2022-02-10 23:42:33,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:42:33,887 INFO L158 Benchmark]: Toolchain (without parser) took 1789.33ms. Allocated memory was 195.0MB in the beginning and 251.7MB in the end (delta: 56.6MB). Free memory was 141.4MB in the beginning and 192.9MB in the end (delta: -51.5MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. [2022-02-10 23:42:33,887 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:42:33,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.38ms. Allocated memory is still 195.0MB. Free memory was 141.1MB in the beginning and 152.8MB in the end (delta: -11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 23:42:33,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.09ms. Allocated memory is still 195.0MB. Free memory was 152.8MB in the beginning and 150.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 23:42:33,888 INFO L158 Benchmark]: Boogie Preprocessor took 23.69ms. Allocated memory is still 195.0MB. Free memory was 150.2MB in the beginning and 149.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:42:33,888 INFO L158 Benchmark]: RCFGBuilder took 298.01ms. Allocated memory is still 195.0MB. Free memory was 148.6MB in the beginning and 135.2MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 23:42:33,888 INFO L158 Benchmark]: TraceAbstraction took 973.14ms. Allocated memory was 195.0MB in the beginning and 251.7MB in the end (delta: 56.6MB). Free memory was 135.0MB in the beginning and 192.9MB in the end (delta: -58.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:42:33,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 461.38ms. Allocated memory is still 195.0MB. Free memory was 141.1MB in the beginning and 152.8MB in the end (delta: -11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.09ms. Allocated memory is still 195.0MB. Free memory was 152.8MB in the beginning and 150.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.69ms. Allocated memory is still 195.0MB. Free memory was 150.2MB in the beginning and 149.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 298.01ms. Allocated memory is still 195.0MB. Free memory was 148.6MB in the beginning and 135.2MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 973.14ms. Allocated memory was 195.0MB in the beginning and 251.7MB in the end (delta: 56.6MB). Free memory was 135.0MB in the beginning and 192.9MB in the end (delta: -58.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 809 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 493 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=698occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 385 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 23:42:33,915 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...