/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.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -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/pthread-atomic/read_write_lock-1b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 19:54:07,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 19:54:07,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 19:54:07,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-09 19:54:07,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-09 19:54:07,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-09 19:54:07,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-09 19:54:07,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-09 19:54:07,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-09 19:54:07,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-09 19:54:07,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-09 19:54:07,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-09 19:54:07,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 19:54:07,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 19:54:07,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 19:54:07,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 19:54:07,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 19:54:07,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 19:54:07,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 19:54:07,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 19:54:07,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 19:54:07,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 19:54:07,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 19:54:07,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 19:54:07,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 19:54:07,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 19:54:07,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 19:54:07,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 19:54:07,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 19:54:07,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 19:54:07,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 19:54:07,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 19:54:07,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 19:54:07,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 19:54:07,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 19:54:07,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 19:54:07,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 19:54:07,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 19:54:07,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 19:54:07,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 19:54:07,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 19:54:07,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 19:54:07,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 19:54:07,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 19:54:07,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 19:54:07,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 19:54:07,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 19:54:07,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 19:54:07,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 19:54:07,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 19:54:07,343 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 19:54:07,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 19:54:07,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 19:54:07,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 19:54:07,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 19:54:07,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 19:54:07,345 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 19:54:07,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 19:54:07,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 19:54:07,345 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 19:54:07,345 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 19:54:07,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 19:54:07,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 19:54:07,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 19:54:07,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 19:54:07,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 19:54:07,520 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 19:54:07,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2022-11-09 19:54:07,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea00e8901/a0168d06a89548ddbe9c3cfe57f25ca8/FLAGa6df46b30 [2022-11-09 19:54:07,993 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 19:54:07,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2022-11-09 19:54:08,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea00e8901/a0168d06a89548ddbe9c3cfe57f25ca8/FLAGa6df46b30 [2022-11-09 19:54:08,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea00e8901/a0168d06a89548ddbe9c3cfe57f25ca8 [2022-11-09 19:54:08,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 19:54:08,011 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 19:54:08,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 19:54:08,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 19:54:08,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 19:54:08,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e145a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08, skipping insertion in model container [2022-11-09 19:54:08,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 19:54:08,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 19:54:08,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i[30416,30429] [2022-11-09 19:54:08,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 19:54:08,277 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 19:54:08,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i[30416,30429] [2022-11-09 19:54:08,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 19:54:08,341 INFO L208 MainTranslator]: Completed translation [2022-11-09 19:54:08,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08 WrapperNode [2022-11-09 19:54:08,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 19:54:08,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 19:54:08,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 19:54:08,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 19:54:08,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,380 INFO L138 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 167 [2022-11-09 19:54:08,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 19:54:08,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 19:54:08,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 19:54:08,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 19:54:08,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 19:54:08,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 19:54:08,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 19:54:08,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 19:54:08,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (1/1) ... [2022-11-09 19:54:08,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 19:54:08,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:08,431 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) [2022-11-09 19:54:08,442 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 [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-11-09 19:54:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 19:54:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 19:54:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-11-09 19:54:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-11-09 19:54:08,456 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-09 19:54:08,582 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 19:54:08,584 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 19:54:08,823 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 19:54:08,910 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 19:54:08,910 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 19:54:08,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:54:08 BoogieIcfgContainer [2022-11-09 19:54:08,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 19:54:08,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 19:54:08,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 19:54:08,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 19:54:08,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:54:08" (1/3) ... [2022-11-09 19:54:08,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff137e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:54:08, skipping insertion in model container [2022-11-09 19:54:08,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:54:08" (2/3) ... [2022-11-09 19:54:08,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff137e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:54:08, skipping insertion in model container [2022-11-09 19:54:08,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:54:08" (3/3) ... [2022-11-09 19:54:08,923 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1b.i [2022-11-09 19:54:08,928 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 19:54:08,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 19:54:08,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-09 19:54:08,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 19:54:09,015 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-09 19:54:09,063 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,065 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) [2022-11-09 19:54:09,068 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 [2022-11-09 19:54:09,096 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,109 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,112 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,119 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,120 INFO L307 ceAbstractionStarter]: Result for error location readerErr0ASSERT_VIOLATIONDATA_RACE was SAFE (1/50) [2022-11-09 19:54:09,125 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-09 19:54:09,157 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,159 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,159 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,189 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,189 INFO L307 ceAbstractionStarter]: Result for error location readerErr1ASSERT_VIOLATIONDATA_RACE was SAFE (2/50) [2022-11-09 19:54:09,193 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-09 19:54:09,211 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr2ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,212 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,212 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,214 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,214 INFO L307 ceAbstractionStarter]: Result for error location readerErr2ASSERT_VIOLATIONDATA_RACE was SAFE (3/50) [2022-11-09 19:54:09,217 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-09 19:54:09,224 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr3ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,225 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,225 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,225 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,226 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,227 INFO L307 ceAbstractionStarter]: Result for error location readerErr3ASSERT_VIOLATIONDATA_RACE was SAFE (4/50) [2022-11-09 19:54:09,229 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,236 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr4ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,237 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,237 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,238 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,238 INFO L307 ceAbstractionStarter]: Result for error location readerErr4ASSERT_VIOLATIONDATA_RACE was SAFE (5/50) [2022-11-09 19:54:09,241 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,243 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-11-09 19:54:09,252 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr5ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,253 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,253 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,254 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,255 INFO L307 ceAbstractionStarter]: Result for error location readerErr5ASSERT_VIOLATIONDATA_RACE was SAFE (6/50) [2022-11-09 19:54:09,257 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-11-09 19:54:09,259 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-09 19:54:09,265 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr6ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,267 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,268 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,269 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,269 INFO L307 ceAbstractionStarter]: Result for error location readerErr6ASSERT_VIOLATIONDATA_RACE was SAFE (7/50) [2022-11-09 19:54:09,271 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,276 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-11-09 19:54:09,279 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr7ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,280 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,280 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,281 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,282 INFO L307 ceAbstractionStarter]: Result for error location readerErr7ASSERT_VIOLATIONDATA_RACE was SAFE (8/50) [2022-11-09 19:54:09,284 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,288 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2022-11-09 19:54:09,297 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerErr8ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,298 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,298 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-09 19:54:09,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:09,299 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-09 19:54:09,299 INFO L307 ceAbstractionStarter]: Result for error location readerErr8ASSERT_VIOLATIONDATA_RACE was SAFE (9/50) [2022-11-09 19:54:09,303 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:09,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:09,306 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:09,311 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:09,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:09,312 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:09,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:09,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2022-11-09 19:54:09,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:54:09,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:54:09,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1315132008, now seen corresponding path program 1 times [2022-11-09 19:54:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:54:09,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974243138] [2022-11-09 19:54:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:54:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:54:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:54:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:54:10,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:54:10,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974243138] [2022-11-09 19:54:10,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974243138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:54:10,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:54:10,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-09 19:54:10,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078168037] [2022-11-09 19:54:10,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:54:10,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 19:54:10,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:54:10,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 19:54:10,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 19:54:10,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:54:10,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:54:10,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) [2022-11-09 19:54:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:54:34,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 19:54:34,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 19:54:34,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 19:54:34,070 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-09 19:54:34,070 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE was SAFE (10/50) [2022-11-09 19:54:34,072 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:34,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:54:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:54:34,074 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 19:54:34,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2022-11-09 19:54:34,081 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:54:34,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 19:54:34,081 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;@440ee1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:54:34,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 19:54:50,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:54:50,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:54:50,268 INFO L85 PathProgramCache]: Analyzing trace with hash -25117663, now seen corresponding path program 1 times [2022-11-09 19:54:50,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:54:50,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182883562] [2022-11-09 19:54:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:54:50,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:54:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:54:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:54:50,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:54:50,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182883562] [2022-11-09 19:54:50,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182883562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:54:50,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:54:50,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 19:54:50,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271513993] [2022-11-09 19:54:50,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:54:50,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 19:54:50,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:54:50,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 19:54:50,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 19:54:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:54:50,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:54:50,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 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) [2022-11-09 19:54:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:54:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:54:54,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 19:54:54,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:54:54,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:54:54,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1417081146, now seen corresponding path program 1 times [2022-11-09 19:54:54,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:54:54,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770418303] [2022-11-09 19:54:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:54:54,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:54:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:54:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:54:54,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:54:54,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770418303] [2022-11-09 19:54:54,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770418303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:54:54,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:54:54,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 19:54:54,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703573647] [2022-11-09 19:54:54,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:54:54,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:54:54,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:54:54,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:54:54,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:54:54,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:54:54,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2022-11-09 19:54:54,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:54:54,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:00,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 19:55:00,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:55:00,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:55:00,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1597601425, now seen corresponding path program 1 times [2022-11-09 19:55:00,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:55:00,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721411647] [2022-11-09 19:55:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:55:00,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:55:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:55:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:55:00,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:55:00,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721411647] [2022-11-09 19:55:00,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721411647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:55:00,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:55:00,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 19:55:00,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161027495] [2022-11-09 19:55:00,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:55:00,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:55:00,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:55:00,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:55:00,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:55:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:00,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:55:00,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-11-09 19:55:00,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:00,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:00,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:05,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 19:55:05,726 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:55:05,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:55:05,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1545080879, now seen corresponding path program 1 times [2022-11-09 19:55:05,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:55:05,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189219097] [2022-11-09 19:55:05,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:55:05,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:55:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:55:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:55:05,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:55:05,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189219097] [2022-11-09 19:55:05,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189219097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:55:05,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:55:05,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 19:55:05,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839724080] [2022-11-09 19:55:05,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:55:05,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:55:05,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:55:05,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:55:05,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:55:05,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:05,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:55:05,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2022-11-09 19:55:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:11,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-09 19:55:11,881 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:55:11,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:55:11,881 INFO L85 PathProgramCache]: Analyzing trace with hash 45294389, now seen corresponding path program 1 times [2022-11-09 19:55:11,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:55:11,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72028159] [2022-11-09 19:55:11,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:55:11,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:55:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:55:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:55:11,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:55:11,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72028159] [2022-11-09 19:55:11,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72028159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:55:11,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:55:11,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-09 19:55:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434583202] [2022-11-09 19:55:11,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:55:11,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-09 19:55:11,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:55:11,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-09 19:55:11,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-09 19:55:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:11,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:55:11,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 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) [2022-11-09 19:55:11,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:11,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:11,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:11,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:11,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:22,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:22,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:22,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:22,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:22,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-09 19:55:22,748 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:55:22,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:55:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1453515175, now seen corresponding path program 1 times [2022-11-09 19:55:22,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:55:22,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352202844] [2022-11-09 19:55:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:55:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:55:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:55:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:55:22,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:55:22,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352202844] [2022-11-09 19:55:22,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352202844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:55:22,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:55:22,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 19:55:22,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006183754] [2022-11-09 19:55:22,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:55:22,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:55:22,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:55:22,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:55:22,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:55:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:22,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:55:22,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2022-11-09 19:55:22,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:22,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:22,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:22,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:22,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:22,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-09 19:55:34,226 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:55:34,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:55:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1939629533, now seen corresponding path program 1 times [2022-11-09 19:55:34,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:55:34,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325270223] [2022-11-09 19:55:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:55:34,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:55:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:55:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:55:34,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:55:34,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325270223] [2022-11-09 19:55:34,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325270223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:55:34,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:55:34,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-09 19:55:34,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968246634] [2022-11-09 19:55:34,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:55:34,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-09 19:55:34,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:55:34,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-09 19:55:34,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-09 19:55:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:34,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:55:34,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 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) [2022-11-09 19:55:34,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:34,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:34,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:34,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:53,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:53,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-09 19:55:53,016 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:55:53,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:55:53,016 INFO L85 PathProgramCache]: Analyzing trace with hash -797181306, now seen corresponding path program 1 times [2022-11-09 19:55:53,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:55:53,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904928201] [2022-11-09 19:55:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:55:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:55:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:55:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:55:53,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:55:53,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904928201] [2022-11-09 19:55:53,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904928201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:55:53,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:55:53,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 19:55:53,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009556704] [2022-11-09 19:55:53,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:55:53,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:55:53,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:55:53,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:55:53,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:55:53,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:53,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:55:53,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:55:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-09 19:56:13,696 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:56:13,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:56:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash -87031309, now seen corresponding path program 1 times [2022-11-09 19:56:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:56:13,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062530023] [2022-11-09 19:56:13,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:56:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:56:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:56:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:56:13,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:56:13,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062530023] [2022-11-09 19:56:13,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062530023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:56:13,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:56:13,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 19:56:13,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753309062] [2022-11-09 19:56:13,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:56:13,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:56:13,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:56:13,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:56:13,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:56:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:13,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:56:13,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:36,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-09 19:56:36,274 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:56:36,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:56:36,274 INFO L85 PathProgramCache]: Analyzing trace with hash 300019211, now seen corresponding path program 1 times [2022-11-09 19:56:36,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 19:56:36,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2290099] [2022-11-09 19:56:36,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:56:36,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:56:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:56:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 19:56:37,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 19:56:37,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2290099] [2022-11-09 19:56:37,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2290099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:56:37,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:56:37,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-09 19:56:37,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549396655] [2022-11-09 19:56:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:56:37,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 19:56:37,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 19:56:37,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 19:56:37,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 19:56:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:37,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:56:37,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 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) [2022-11-09 19:56:37,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:56:37,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:37,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:37,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:37,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:37,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:37,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 19:56:37,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:37,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:56:37,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.