./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/09_fmaxsym-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6568ba33 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/09_fmaxsym-pthread.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e59f443204e7aefe0ca3d3f3de602e655d8cad2a85fca6022b51e9f5ca070bcf --- Real Ultimate output --- This is Ultimate 0.2.3-?-6568ba3-m [2023-11-24 00:31:02,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 00:31:02,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 00:31:02,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 00:31:02,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 00:31:02,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 00:31:02,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 00:31:02,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 00:31:02,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 00:31:02,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 00:31:02,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 00:31:02,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 00:31:02,442 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 00:31:02,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 00:31:02,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 00:31:02,443 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 00:31:02,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 00:31:02,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 00:31:02,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 00:31:02,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 00:31:02,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 00:31:02,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 00:31:02,444 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 00:31:02,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 00:31:02,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 00:31:02,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 00:31:02,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 00:31:02,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 00:31:02,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 00:31:02,446 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 00:31:02,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 00:31:02,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 00:31:02,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 00:31:02,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 00:31:02,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 00:31:02,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 00:31:02,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 00:31:02,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 00:31:02,448 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 00:31:02,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 00:31:02,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 00:31:02,448 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 00:31:02,449 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 00:31:02,449 INFO L153 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e59f443204e7aefe0ca3d3f3de602e655d8cad2a85fca6022b51e9f5ca070bcf [2023-11-24 00:31:02,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 00:31:02,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 00:31:02,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 00:31:02,681 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 00:31:02,681 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 00:31:02,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/09_fmaxsym-pthread.i [2023-11-24 00:31:03,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 00:31:03,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 00:31:03,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/09_fmaxsym-pthread.i [2023-11-24 00:31:03,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6e17be02f/9ceac8d23ef945d3a4f707dadd9806bf/FLAG5124309f3 [2023-11-24 00:31:03,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6e17be02f/9ceac8d23ef945d3a4f707dadd9806bf [2023-11-24 00:31:03,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 00:31:03,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 00:31:03,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 00:31:03,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 00:31:03,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 00:31:03,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:03" (1/1) ... [2023-11-24 00:31:03,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9cb572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:03, skipping insertion in model container [2023-11-24 00:31:03,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:03" (1/1) ... [2023-11-24 00:31:03,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 00:31:04,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 00:31:04,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 00:31:04,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 00:31:04,426 INFO L206 MainTranslator]: Completed translation [2023-11-24 00:31:04,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04 WrapperNode [2023-11-24 00:31:04,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 00:31:04,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 00:31:04,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 00:31:04,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 00:31:04,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,460 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 91 [2023-11-24 00:31:04,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 00:31:04,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 00:31:04,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 00:31:04,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 00:31:04,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 00:31:04,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 00:31:04,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 00:31:04,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 00:31:04,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (1/1) ... [2023-11-24 00:31:04,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 00:31:04,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:31:04,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 00:31:04,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 00:31:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 00:31:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 00:31:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 00:31:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 00:31:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 00:31:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 00:31:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 00:31:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 00:31:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 00:31:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 00:31:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 00:31:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 00:31:04,588 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 00:31:04,718 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 00:31:04,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 00:31:04,870 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 00:31:04,884 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 00:31:04,884 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 00:31:04,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:04 BoogieIcfgContainer [2023-11-24 00:31:04,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 00:31:04,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 00:31:04,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 00:31:04,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 00:31:04,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:31:03" (1/3) ... [2023-11-24 00:31:04,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c73da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:31:04, skipping insertion in model container [2023-11-24 00:31:04,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:04" (2/3) ... [2023-11-24 00:31:04,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c73da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:31:04, skipping insertion in model container [2023-11-24 00:31:04,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:04" (3/3) ... [2023-11-24 00:31:04,892 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym-pthread.i [2023-11-24 00:31:04,898 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 00:31:04,905 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 00:31:04,905 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-24 00:31:04,906 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 00:31:04,948 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 00:31:04,980 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:04,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 00:31:04,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:31:04,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 00:31:04,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-24 00:31:05,035 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 00:31:05,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-11-24 00:31:05,055 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=LoopHeads, 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;@39ccf06f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:05,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-24 00:31:05,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:05,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:05,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1570286411, now seen corresponding path program 1 times [2023-11-24 00:31:05,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:05,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199346876] [2023-11-24 00:31:05,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 00:31:05,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:05,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199346876] [2023-11-24 00:31:05,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199346876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:05,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:05,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 00:31:05,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831607601] [2023-11-24 00:31:05,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:05,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 00:31:05,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:05,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 00:31:05,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 00:31:05,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:05,509 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:05,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 00:31:05,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:05,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 00:31:05,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:05,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:05,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1360514268, now seen corresponding path program 1 times [2023-11-24 00:31:05,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:05,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781023757] [2023-11-24 00:31:05,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:05,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 00:31:06,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:06,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781023757] [2023-11-24 00:31:06,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781023757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:06,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:06,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 00:31:06,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36447590] [2023-11-24 00:31:06,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:06,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 00:31:06,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:06,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 00:31:06,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 00:31:06,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:06,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 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) [2023-11-24 00:31:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:06,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 00:31:06,315 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:06,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:06,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1519829576, now seen corresponding path program 1 times [2023-11-24 00:31:06,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:06,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538676289] [2023-11-24 00:31:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:06,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 00:31:06,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:06,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538676289] [2023-11-24 00:31:06,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538676289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:06,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:06,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 00:31:06,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330370135] [2023-11-24 00:31:06,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:06,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 00:31:06,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:06,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 00:31:06,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 00:31:06,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,369 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:06,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2023-11-24 00:31:06,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:06,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:06,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 00:31:06,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:06,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:06,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1820406783, now seen corresponding path program 1 times [2023-11-24 00:31:06,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:06,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457054550] [2023-11-24 00:31:06,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 00:31:06,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:06,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457054550] [2023-11-24 00:31:06,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457054550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:06,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:06,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 00:31:06,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442735696] [2023-11-24 00:31:06,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:06,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 00:31:06,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:06,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 00:31:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 00:31:06,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,472 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:06,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 00:31:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:06,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:06,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:06,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-11-24 00:31:06,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2023-11-24 00:31:06,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-11-24 00:31:06,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-11-24 00:31:06,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 00:31:06,627 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-24 00:31:06,629 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/2) [2023-11-24 00:31:06,633 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:06,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 00:31:06,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:31:06,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 00:31:06,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-24 00:31:06,674 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 00:31:06,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 00:31:06,675 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=LoopHeads, 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;@39ccf06f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:06,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 00:31:06,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 00:31:06,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:06,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1870203597, now seen corresponding path program 1 times [2023-11-24 00:31:06,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:06,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286678414] [2023-11-24 00:31:06,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:06,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 00:31:06,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 00:31:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 00:31:06,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-24 00:31:06,794 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 00:31:06,795 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-11-24 00:31:06,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 00:31:06,797 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 00:31:06,797 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2023-11-24 00:31:06,798 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-24 00:31:06,798 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-24 00:31:06,835 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 00:31:06,841 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:06,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 00:31:06,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:31:06,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 00:31:06,856 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 00:31:06,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 00:31:06,857 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=LoopHeads, 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;@39ccf06f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:06,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 00:31:06,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-11-24 00:31:07,025 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 00:31:07,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:07,025 INFO L85 PathProgramCache]: Analyzing trace with hash 25738516, now seen corresponding path program 1 times [2023-11-24 00:31:07,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:07,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779012044] [2023-11-24 00:31:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 00:31:07,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 00:31:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 00:31:07,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-24 00:31:07,046 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 00:31:07,046 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-11-24 00:31:07,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-24 00:31:07,047 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 00:31:07,048 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2023-11-24 00:31:07,048 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-24 00:31:07,048 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-24 00:31:07,075 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 00:31:07,080 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:07,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 00:31:07,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:31:07,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 00:31:07,088 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 00:31:07,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2023-11-24 00:31:07,089 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=LoopHeads, 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;@39ccf06f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 00:31:07,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-24 00:31:07,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2023-11-24 00:31:07,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:07,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:07,314 INFO L85 PathProgramCache]: Analyzing trace with hash 927520448, now seen corresponding path program 1 times [2023-11-24 00:31:07,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:07,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626318285] [2023-11-24 00:31:07,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:07,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:31:07,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:07,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626318285] [2023-11-24 00:31:07,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626318285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:07,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:07,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 00:31:07,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045081562] [2023-11-24 00:31:07,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:07,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 00:31:07,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:07,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 00:31:07,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 00:31:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:07,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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) [2023-11-24 00:31:07,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-24 00:31:07,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:07,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:07,381 INFO L85 PathProgramCache]: Analyzing trace with hash -864297881, now seen corresponding path program 1 times [2023-11-24 00:31:07,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:07,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980720623] [2023-11-24 00:31:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:07,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:31:07,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:07,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980720623] [2023-11-24 00:31:07,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980720623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:07,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:07,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 00:31:07,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198838791] [2023-11-24 00:31:07,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:07,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 00:31:07,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:07,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 00:31:07,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 00:31:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:07,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2023-11-24 00:31:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:07,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-24 00:31:07,745 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:07,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:07,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1111165301, now seen corresponding path program 1 times [2023-11-24 00:31:07,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:07,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113747606] [2023-11-24 00:31:07,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:07,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:31:07,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:07,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113747606] [2023-11-24 00:31:07,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113747606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:07,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:07,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 00:31:07,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314566111] [2023-11-24 00:31:07,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:07,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 00:31:07,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:07,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 00:31:07,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 00:31:07,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:07,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2023-11-24 00:31:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:07,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-24 00:31:07,874 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:07,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:07,874 INFO L85 PathProgramCache]: Analyzing trace with hash 789666058, now seen corresponding path program 1 times [2023-11-24 00:31:07,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:07,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497586411] [2023-11-24 00:31:07,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:07,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:31:07,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:07,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497586411] [2023-11-24 00:31:07,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497586411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:07,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:07,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 00:31:07,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476541670] [2023-11-24 00:31:07,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:07,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 00:31:07,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:07,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 00:31:07,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 00:31:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:07,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2023-11-24 00:31:07,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:07,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:07,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:07,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:08,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:08,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:08,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:08,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:08,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-24 00:31:08,282 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:08,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:08,283 INFO L85 PathProgramCache]: Analyzing trace with hash 802750303, now seen corresponding path program 1 times [2023-11-24 00:31:08,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:08,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816452385] [2023-11-24 00:31:08,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:08,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-11-24 00:31:08,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:08,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816452385] [2023-11-24 00:31:08,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816452385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:08,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:08,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 00:31:08,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841019912] [2023-11-24 00:31:08,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:08,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 00:31:08,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:08,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 00:31:08,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 00:31:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:08,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:08,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-24 00:31:08,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:08,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:08,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:08,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:08,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:09,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:09,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-24 00:31:09,583 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:09,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:09,584 INFO L85 PathProgramCache]: Analyzing trace with hash 996563367, now seen corresponding path program 2 times [2023-11-24 00:31:09,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:09,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610470803] [2023-11-24 00:31:09,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:31:10,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:10,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610470803] [2023-11-24 00:31:10,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610470803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:31:10,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:31:10,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-24 00:31:10,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477631570] [2023-11-24 00:31:10,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:31:10,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-24 00:31:10,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:10,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-24 00:31:10,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-24 00:31:10,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:10,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:10,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.0) internal successors, (286), 13 states have internal predecessors, (286), 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) [2023-11-24 00:31:10,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:10,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:10,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:10,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:10,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:10,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:14,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:31:14,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-24 00:31:14,172 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:14,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:14,173 INFO L85 PathProgramCache]: Analyzing trace with hash 243383558, now seen corresponding path program 1 times [2023-11-24 00:31:14,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:14,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409412935] [2023-11-24 00:31:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:14,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 00:31:17,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:17,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409412935] [2023-11-24 00:31:17,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409412935] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 00:31:17,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294290807] [2023-11-24 00:31:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:17,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 00:31:17,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:31:17,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 00:31:17,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 00:31:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:17,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-24 00:31:17,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 00:31:17,924 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-24 00:31:17,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-24 00:31:18,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:31:18,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:31:18,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:31:19,978 INFO L349 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2023-11-24 00:31:19,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 31 [2023-11-24 00:31:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 00:31:20,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 00:31:21,638 INFO L349 Elim1Store]: treesize reduction 40, result has 18.4 percent of original size [2023-11-24 00:31:21,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 108 treesize of output 65 [2023-11-24 00:31:21,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 00:31:21,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 5 [2023-11-24 00:31:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 00:31:22,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294290807] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 00:31:22,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 00:31:22,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 25] total 75 [2023-11-24 00:31:22,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959619893] [2023-11-24 00:31:22,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 00:31:22,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2023-11-24 00:31:22,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:22,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2023-11-24 00:31:22,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=5101, Unknown=6, NotChecked=0, Total=5550 [2023-11-24 00:31:22,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:22,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:22,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.213333333333333) internal successors, (316), 75 states have internal predecessors, (316), 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) [2023-11-24 00:31:22,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:22,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:22,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:22,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:22,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:22,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:31:22,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:31:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:31:29,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 00:31:29,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-24 00:31:29,227 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:31:29,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:31:29,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1170072448, now seen corresponding path program 1 times [2023-11-24 00:31:29,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:31:29,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148133230] [2023-11-24 00:31:29,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:29,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:31:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 17 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:31:31,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:31:31,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148133230] [2023-11-24 00:31:31,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148133230] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 00:31:31,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956525510] [2023-11-24 00:31:31,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:31:31,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 00:31:31,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:31:31,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 00:31:31,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 00:31:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:31:32,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-24 00:31:32,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 00:31:32,737 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-24 00:31:32,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-24 00:31:32,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:31:32,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:31:33,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:31:35,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 43 [2023-11-24 00:31:36,763 INFO L349 Elim1Store]: treesize reduction 50, result has 12.3 percent of original size [2023-11-24 00:31:36,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 61 treesize of output 31 [2023-11-24 00:31:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 17 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:31:36,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 00:31:39,208 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_548 (Array Int Int)) (v_y_6 Int) (v_y_5 Int) (v_ArrVal_551 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_548) |c_~#storage~0.base|)) (.cse2 (* v_y_6 8))) (let ((.cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|)))) (or (< 2 v_y_6) (< v_y_5 0) (< v_y_6 0) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_551) |c_~#storage~0.base|) (+ (* v_y_5 8) |c_~#storage~0.offset|)) (+ .cse0 1)) (< 2 v_y_5) (< .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))))))) is different from false [2023-11-24 00:31:40,438 INFO L349 Elim1Store]: treesize reduction 68, result has 16.0 percent of original size [2023-11-24 00:31:40,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 209 treesize of output 138 [2023-11-24 00:31:40,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-24 00:31:40,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 00:31:40,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 3 [2023-11-24 00:31:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 20 not checked. [2023-11-24 00:31:41,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956525510] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 00:31:41,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 00:31:41,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 36] total 98 [2023-11-24 00:31:41,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616204211] [2023-11-24 00:31:41,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 00:31:41,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2023-11-24 00:31:41,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:31:41,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2023-11-24 00:31:41,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=8699, Unknown=20, NotChecked=190, Total=9506 [2023-11-24 00:31:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:41,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:31:41,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 4.173469387755102) internal successors, (409), 98 states have internal predecessors, (409), 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) [2023-11-24 00:31:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:31:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:31:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:41,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:41,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:31:41,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:31:41,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:31:41,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:32:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:32:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:32:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:32:11,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-24 00:32:12,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-24 00:32:12,085 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:32:12,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:32:12,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1172733961, now seen corresponding path program 1 times [2023-11-24 00:32:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:32:12,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670111775] [2023-11-24 00:32:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:32:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:32:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:32:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 00:32:14,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:32:14,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670111775] [2023-11-24 00:32:14,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670111775] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 00:32:14,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642442578] [2023-11-24 00:32:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:32:14,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 00:32:14,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:32:14,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 00:32:14,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 00:32:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:32:14,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-24 00:32:14,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 00:32:15,179 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-24 00:32:15,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-24 00:32:15,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:32:15,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:32:15,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:32:17,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 43 [2023-11-24 00:32:19,937 INFO L349 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2023-11-24 00:32:19,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 31 [2023-11-24 00:32:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 17 proven. 34 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:32:20,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 00:32:20,844 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_667 (Array Int Int)) (v_y_9 Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_667) |c_~#storage~0.base|)) (.cse1 (* v_y_9 8))) (or (< (select .cse0 (+ .cse1 4 |c_~#storage~0.offset|)) (+ c_~max~0 1)) (< 2 v_y_9) (< c_~max~0 (select .cse0 (+ .cse1 |c_~#storage~0.offset|))) (< v_y_9 0)))) is different from false [2023-11-24 00:32:21,468 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_667 (Array Int Int)) (v_y_9 Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_667) |c_~#storage~0.base|)) (.cse2 (* v_y_9 8))) (let ((.cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)))) (or (< .cse0 (+ (select (select |c_#memory_int| |c_~#storage~0.base|) (+ (* |c_thr1Thread3of3ForFork0_findMax_~offset#1| 4) |c_~#storage~0.offset|)) 1)) (< 2 v_y_9) (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< v_y_9 0))))) is different from false [2023-11-24 00:32:21,603 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_667 (Array Int Int)) (v_y_9 Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_667) |c_~#storage~0.base|)) (.cse2 (* v_y_9 8))) (let ((.cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)))) (or (< 2 v_y_9) (< .cse0 (+ (select (select |c_#memory_int| |c_~#storage~0.base|) (+ (* |c_thr1Thread3of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|)) 1)) (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< v_y_9 0))))) is different from false [2023-11-24 00:32:21,826 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_667 (Array Int Int)) (v_y_10 Int) (v_y_9 Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_667) |c_~#storage~0.base|)) (.cse2 (* v_y_9 8))) (let ((.cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)))) (or (< v_y_10 0) (< 2 v_y_9) (< .cse0 (+ (select (select |c_#memory_int| |c_~#storage~0.base|) (+ (* v_y_10 8) |c_~#storage~0.offset|)) 1)) (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< 2 v_y_10) (< v_y_9 0))))) is different from false [2023-11-24 00:32:21,924 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_667 (Array Int Int)) (v_ArrVal_666 (Array Int Int)) (v_y_10 Int) (v_y_9 Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_667) |c_~#storage~0.base|)) (.cse2 (* v_y_9 8))) (let ((.cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)))) (or (< v_y_10 0) (< 2 v_y_9) (< .cse0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_666) |c_~#storage~0.base|) (+ (* v_y_10 8) |c_~#storage~0.offset|)) 1)) (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< 2 v_y_10) (< v_y_9 0))))) is different from false [2023-11-24 00:32:22,996 INFO L349 Elim1Store]: treesize reduction 68, result has 16.0 percent of original size [2023-11-24 00:32:22,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 217 treesize of output 144 [2023-11-24 00:32:23,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 00:32:23,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 17 [2023-11-24 00:32:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 35 not checked. [2023-11-24 00:32:23,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642442578] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 00:32:23,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 00:32:23,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 35, 36] total 97 [2023-11-24 00:32:23,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256945868] [2023-11-24 00:32:23,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 00:32:23,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-11-24 00:32:23,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:32:23,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-11-24 00:32:23,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=638, Invalid=7721, Unknown=33, NotChecked=920, Total=9312 [2023-11-24 00:32:23,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:23,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:32:23,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 4.649484536082475) internal successors, (451), 97 states have internal predecessors, (451), 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) [2023-11-24 00:32:23,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:23,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:32:23,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:32:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:32:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:32:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:32:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:32:50,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-24 00:32:50,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-24 00:32:50,263 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:32:50,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:32:50,263 INFO L85 PathProgramCache]: Analyzing trace with hash -637345746, now seen corresponding path program 2 times [2023-11-24 00:32:50,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:32:50,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177777764] [2023-11-24 00:32:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:32:50,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:32:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:32:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-24 00:32:50,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:32:50,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177777764] [2023-11-24 00:32:50,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177777764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:32:50,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:32:50,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-24 00:32:50,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264018567] [2023-11-24 00:32:50,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:32:50,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 00:32:50,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:32:50,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 00:32:50,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-24 00:32:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:50,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:32:50,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:32:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:32:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:32:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:32:57,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-24 00:32:57,071 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:32:57,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:32:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash 181912633, now seen corresponding path program 1 times [2023-11-24 00:32:57,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:32:57,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431872246] [2023-11-24 00:32:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:32:57,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:32:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:32:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 17 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:32:59,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:32:59,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431872246] [2023-11-24 00:32:59,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431872246] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 00:32:59,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597582059] [2023-11-24 00:32:59,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:32:59,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 00:32:59,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:32:59,193 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 00:32:59,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-24 00:32:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:32:59,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 00:32:59,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 00:32:59,771 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-24 00:32:59,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-24 00:32:59,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:32:59,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:33:00,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:33:02,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 43 [2023-11-24 00:33:03,541 INFO L349 Elim1Store]: treesize reduction 50, result has 12.3 percent of original size [2023-11-24 00:33:03,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 61 treesize of output 31 [2023-11-24 00:33:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 17 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 00:33:03,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 00:33:04,864 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_y_13 Int) (v_ArrVal_827 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_827) |c_~#storage~0.base|) (+ (* v_y_13 8) |c_~#storage~0.offset|)))) (or (< v_y_13 0) (< .cse0 (+ |c_thr1Thread3of3ForFork0_findMax_#t~mem2#1| 1)) (< .cse0 (+ (select (select |c_#memory_int| |c_~#storage~0.base|) (+ (* |c_thr1Thread3of3ForFork0_findMax_~i~0#1| 4) 4 |c_~#storage~0.offset|)) 1)) (< 2 v_y_13)))) is different from false [2023-11-24 00:33:04,944 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_y_13 Int) (v_ArrVal_827 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_827) |c_~#storage~0.base|) (+ (* v_y_13 8) |c_~#storage~0.offset|))) (.cse1 (select |c_#memory_int| |c_~#storage~0.base|)) (.cse2 (* |c_thr1Thread3of3ForFork0_findMax_~i~0#1| 4))) (or (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< v_y_13 0) (< .cse0 (+ (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)) 1)) (< 2 v_y_13)))) is different from false [2023-11-24 00:33:05,070 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_y_13 Int) (v_ArrVal_827 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_827) |c_~#storage~0.base|) (+ (* v_y_13 8) |c_~#storage~0.offset|))) (.cse1 (select |c_#memory_int| |c_~#storage~0.base|)) (.cse2 (* 4 |c_thr1Thread3of3ForFork0_findMax_#in~offset#1|))) (or (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< v_y_13 0) (< .cse0 (+ (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)) 1)) (< 2 v_y_13)))) is different from false [2023-11-24 00:33:05,396 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_y_13 Int) (v_y_14 Int) (v_ArrVal_827 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_827) |c_~#storage~0.base|) (+ (* v_y_13 8) |c_~#storage~0.offset|))) (.cse1 (select |c_#memory_int| |c_~#storage~0.base|)) (.cse2 (* v_y_14 8))) (or (< v_y_13 0) (< 2 v_y_14) (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< 2 v_y_13) (< v_y_14 0) (< .cse0 (+ (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)) 1))))) is different from false [2023-11-24 00:33:05,483 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_y_13 Int) (v_y_14 Int) (v_ArrVal_827 (Array Int Int)) (v_ArrVal_826 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_827) |c_~#storage~0.base|) (+ (* v_y_13 8) |c_~#storage~0.offset|))) (.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_826) |c_~#storage~0.base|)) (.cse2 (* v_y_14 8))) (or (< v_y_13 0) (< 2 v_y_14) (< 2 v_y_13) (< v_y_14 0) (< .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< .cse0 (+ (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|)) 1))))) is different from false [2023-11-24 00:33:06,684 INFO L349 Elim1Store]: treesize reduction 68, result has 16.0 percent of original size [2023-11-24 00:33:06,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 273 treesize of output 185 [2023-11-24 00:33:06,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-24 00:33:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 29 not checked. [2023-11-24 00:33:07,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597582059] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 00:33:07,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 00:33:07,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 35] total 96 [2023-11-24 00:33:07,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663936377] [2023-11-24 00:33:07,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 00:33:07,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-24 00:33:07,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:33:07,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-24 00:33:07,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=529, Invalid=7642, Unknown=39, NotChecked=910, Total=9120 [2023-11-24 00:33:07,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:33:07,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:33:07,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.9791666666666665) internal successors, (382), 96 states have internal predecessors, (382), 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) [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:33:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:33:43,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:33:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-24 00:33:43,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-24 00:33:43,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 00:33:43,820 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:33:43,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:33:43,821 INFO L85 PathProgramCache]: Analyzing trace with hash -384721840, now seen corresponding path program 1 times [2023-11-24 00:33:43,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:33:43,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457505229] [2023-11-24 00:33:43,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:33:43,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:33:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:33:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 00:33:45,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:33:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457505229] [2023-11-24 00:33:45,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457505229] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 00:33:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054012841] [2023-11-24 00:33:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:33:45,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 00:33:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 00:33:45,834 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 00:33:45,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-24 00:33:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:33:46,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 00:33:46,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 00:33:46,505 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-24 00:33:46,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-24 00:33:46,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:33:46,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:33:46,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:33:47,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 36 [2023-11-24 00:33:49,014 INFO L349 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2023-11-24 00:33:49,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 31 [2023-11-24 00:33:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 00:33:49,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 00:33:50,664 INFO L349 Elim1Store]: treesize reduction 40, result has 18.4 percent of original size [2023-11-24 00:33:50,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 108 treesize of output 65 [2023-11-24 00:33:50,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 00:33:50,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 5 [2023-11-24 00:33:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 00:33:51,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054012841] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 00:33:51,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 00:33:51,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 25, 25] total 76 [2023-11-24 00:33:51,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767269194] [2023-11-24 00:33:51,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 00:33:51,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-11-24 00:33:51,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:33:51,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-11-24 00:33:51,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=5245, Unknown=4, NotChecked=0, Total=5700 [2023-11-24 00:33:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:33:51,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:33:51,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.052631578947368) internal successors, (384), 76 states have internal predecessors, (384), 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) [2023-11-24 00:33:51,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:33:51,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:33:51,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:51,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-24 00:33:51,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:34:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:34:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:34:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-24 00:34:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 00:34:06,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-24 00:34:06,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-24 00:34:06,503 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE] === [2023-11-24 00:34:06,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 00:34:06,503 INFO L85 PathProgramCache]: Analyzing trace with hash -363972313, now seen corresponding path program 2 times [2023-11-24 00:34:06,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 00:34:06,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886301810] [2023-11-24 00:34:06,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 00:34:06,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 00:34:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 00:34:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-24 00:34:06,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 00:34:06,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886301810] [2023-11-24 00:34:06,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886301810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 00:34:06,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 00:34:06,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-24 00:34:06,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824346360] [2023-11-24 00:34:06,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 00:34:06,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 00:34:06,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 00:34:06,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 00:34:06,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-24 00:34:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:34:06,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 00:34:06,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 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) [2023-11-24 00:34:06,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 00:34:06,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 00:34:06,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:34:06,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:34:06,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 00:34:06,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:34:06,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-24 00:34:06,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-11-24 00:34:06,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-11-24 00:34:06,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 00:34:06,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-24 00:34:06,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-24 00:34:06,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.