/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 12:24:06,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 12:24:06,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 12:24:06,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 12:24:06,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 12:24:06,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 12:24:06,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 12:24:06,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 12:24:06,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 12:24:06,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 12:24:06,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 12:24:06,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 12:24:06,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 12:24:06,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 12:24:06,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 12:24:06,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 12:24:06,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 12:24:06,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 12:24:06,814 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 12:24:06,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-14 12:24:07,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 12:24:07,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 12:24:07,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 12:24:07,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 12:24:07,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 12:24:07,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2024-11-14 12:24:08,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 12:24:08,807 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 12:24:08,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2024-11-14 12:24:08,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8ddb74352/e2a26a04284e4410bda520500e0c6143/FLAG21adda92d [2024-11-14 12:24:08,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8ddb74352/e2a26a04284e4410bda520500e0c6143 [2024-11-14 12:24:08,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 12:24:08,851 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 12:24:08,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 12:24:08,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 12:24:08,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 12:24:08,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:24:08" (1/1) ... [2024-11-14 12:24:08,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466ada7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:08, skipping insertion in model container [2024-11-14 12:24:08,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:24:08" (1/1) ... [2024-11-14 12:24:08,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 12:24:09,367 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2024-11-14 12:24:09,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 12:24:09,437 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 12:24:09,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2024-11-14 12:24:09,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 12:24:09,651 INFO L204 MainTranslator]: Completed translation [2024-11-14 12:24:09,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09 WrapperNode [2024-11-14 12:24:09,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 12:24:09,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 12:24:09,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 12:24:09,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 12:24:09,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,719 INFO L138 Inliner]: procedures = 488, calls = 39, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 204 [2024-11-14 12:24:09,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 12:24:09,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 12:24:09,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 12:24:09,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 12:24:09,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 12:24:09,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 12:24:09,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 12:24:09,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 12:24:09,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (1/1) ... [2024-11-14 12:24:09,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 12:24:09,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 12:24:09,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 12:24:09,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-11-14 12:24:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-11-14 12:24:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 12:24:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 12:24:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 12:24:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 12:24:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 12:24:09,822 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 12:24:10,057 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 12:24:10,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 12:24:10,300 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 12:24:10,300 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 12:24:10,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 12:24:10,316 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 12:24:10,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:24:10 BoogieIcfgContainer [2024-11-14 12:24:10,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 12:24:10,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 12:24:10,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 12:24:10,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 12:24:10,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 12:24:08" (1/3) ... [2024-11-14 12:24:10,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cab8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:24:10, skipping insertion in model container [2024-11-14 12:24:10,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:24:09" (2/3) ... [2024-11-14 12:24:10,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cab8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:24:10, skipping insertion in model container [2024-11-14 12:24:10,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:24:10" (3/3) ... [2024-11-14 12:24:10,324 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-11-14 12:24:10,336 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 12:24:10,337 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG race-4_1-thread_local_vars.i that has 3 procedures, 202 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2024-11-14 12:24:10,337 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 12:24:10,437 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-14 12:24:10,497 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:24:10,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 12:24:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 12:24:10,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 12:24:10,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 12:24:10,610 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 12:24:10,622 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 12:24:10,630 INFO L333 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, 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;@3a15ea55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:24:10,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-14 12:24:10,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 12:24:10,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:10,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1405853807, now seen corresponding path program 1 times [2024-11-14 12:24:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:10,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520135641] [2024-11-14 12:24:10,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:10,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:11,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:11,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520135641] [2024-11-14 12:24:11,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520135641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:11,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:11,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:11,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147579012] [2024-11-14 12:24:11,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:11,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:11,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:11,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:11,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:11,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:11,189 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:11,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-14 12:24:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:12,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 12:24:12,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 12:24:12,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:12,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1713806289, now seen corresponding path program 1 times [2024-11-14 12:24:12,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:12,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751763310] [2024-11-14 12:24:12,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:12,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:13,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:13,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751763310] [2024-11-14 12:24:13,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751763310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:13,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:13,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702260268] [2024-11-14 12:24:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:13,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:13,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:13,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:13,106 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:13,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 12:24:13,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:13,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:13,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 12:24:13,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 12:24:13,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:13,486 INFO L85 PathProgramCache]: Analyzing trace with hash 534971471, now seen corresponding path program 1 times [2024-11-14 12:24:13,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:13,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441829986] [2024-11-14 12:24:13,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:13,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:13,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:13,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441829986] [2024-11-14 12:24:13,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441829986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:13,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:13,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:13,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424703090] [2024-11-14 12:24:13,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:13,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:13,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:13,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:13,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:13,694 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:13,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 12:24:13,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:13,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:13,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:14,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 12:24:14,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 12:24:14,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:14,135 INFO L85 PathProgramCache]: Analyzing trace with hash 103747460, now seen corresponding path program 1 times [2024-11-14 12:24:14,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:14,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860583884] [2024-11-14 12:24:14,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:14,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:14,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860583884] [2024-11-14 12:24:14,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860583884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:14,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:14,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:14,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692605662] [2024-11-14 12:24:14,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:14,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:14,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:14,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:14,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:14,372 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:14,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 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) [2024-11-14 12:24:14,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:14,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:14,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:14,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:24:14,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 12:24:14,940 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 12:24:14,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:14,940 INFO L85 PathProgramCache]: Analyzing trace with hash -844952451, now seen corresponding path program 1 times [2024-11-14 12:24:14,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:14,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855346677] [2024-11-14 12:24:14,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:14,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:15,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:15,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855346677] [2024-11-14 12:24:15,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855346677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:15,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:15,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 12:24:15,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382597115] [2024-11-14 12:24:15,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:15,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 12:24:15,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:15,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 12:24:15,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 12:24:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:15,141 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:15,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2024-11-14 12:24:15,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:15,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:15,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:15,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:24:15,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:24:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:15,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 12:24:15,479 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 12:24:15,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:15,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1924686093, now seen corresponding path program 1 times [2024-11-14 12:24:15,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:15,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283140059] [2024-11-14 12:24:15,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:15,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-14 12:24:15,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283140059] [2024-11-14 12:24:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283140059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:15,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:15,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:15,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391140070] [2024-11-14 12:24:15,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:15,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:15,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:15,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:15,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:15,706 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:15,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 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) [2024-11-14 12:24:15,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:15,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:15,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:24:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:24:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:18,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 12:24:18,525 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 12:24:18,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:18,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1656650297, now seen corresponding path program 1 times [2024-11-14 12:24:18,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:18,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868142918] [2024-11-14 12:24:18,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:18,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:18,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:18,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868142918] [2024-11-14 12:24:18,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868142918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:18,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:18,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:18,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660309323] [2024-11-14 12:24:18,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:18,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:18,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:18,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:18,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:18,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:18,608 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:18,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2024-11-14 12:24:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:24:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:19,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:24:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:19,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-14 12:24:19,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-11-14 12:24:19,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-11-14 12:24:19,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-14 12:24:19,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 12:24:19,947 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-14 12:24:19,948 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-14 12:24:19,958 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:24:19,959 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 12:24:19,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_ath9kThread1of1ForFork1 ======== [2024-11-14 12:24:19,960 INFO L333 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, 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;@3a15ea55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:24:19,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 12:24:19,990 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:24:19,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:19,991 INFO L85 PathProgramCache]: Analyzing trace with hash -514819129, now seen corresponding path program 1 times [2024-11-14 12:24:19,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:19,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87470749] [2024-11-14 12:24:19,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:19,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:20,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:20,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87470749] [2024-11-14 12:24:20,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87470749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:20,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:20,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:20,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397598365] [2024-11-14 12:24:20,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:20,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:20,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:20,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:20,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:20,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 12:24:20,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 12:24:20,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:24:20,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:20,182 INFO L85 PathProgramCache]: Analyzing trace with hash 65240861, now seen corresponding path program 1 times [2024-11-14 12:24:20,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:20,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735780211] [2024-11-14 12:24:20,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:20,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:20,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:20,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735780211] [2024-11-14 12:24:20,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735780211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:20,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:20,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 12:24:20,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501882156] [2024-11-14 12:24:20,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:20,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 12:24:20,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:20,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 12:24:20,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 12:24:20,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,283 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:20,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2024-11-14 12:24:20,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:20,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 12:24:20,316 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:24:20,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:20,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2004607754, now seen corresponding path program 1 times [2024-11-14 12:24:20,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:20,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600014096] [2024-11-14 12:24:20,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:20,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:20,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:20,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:20,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600014096] [2024-11-14 12:24:20,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600014096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:20,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:20,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:20,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191274649] [2024-11-14 12:24:20,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:20,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:20,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:20,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:20,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:20,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-11-14 12:24:20,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:20,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:20,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 12:24:20,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:24:20,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1297730282, now seen corresponding path program 1 times [2024-11-14 12:24:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:20,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670657209] [2024-11-14 12:24:20,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:20,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:20,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:20,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670657209] [2024-11-14 12:24:20,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670657209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:20,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:20,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:20,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780981262] [2024-11-14 12:24:20,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:20,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:20,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:20,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:20,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,613 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:20,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-11-14 12:24:20,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:20,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:20,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:20,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 12:24:20,668 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:24:20,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:20,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1725270001, now seen corresponding path program 1 times [2024-11-14 12:24:20,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:20,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196883071] [2024-11-14 12:24:20,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:20,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:20,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196883071] [2024-11-14 12:24:20,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196883071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:20,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:20,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:20,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368295089] [2024-11-14 12:24:20,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:20,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:20,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:20,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:20,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:20,805 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:20,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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) [2024-11-14 12:24:20,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:20,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:20,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:20,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:20,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:21,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 12:24:21,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:24:21,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:21,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1779267053, now seen corresponding path program 1 times [2024-11-14 12:24:21,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:21,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500829096] [2024-11-14 12:24:21,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:21,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:21,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:21,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500829096] [2024-11-14 12:24:21,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500829096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:21,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:21,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 12:24:21,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988306756] [2024-11-14 12:24:21,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:21,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 12:24:21,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:21,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 12:24:21,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 12:24:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:21,271 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:21,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2024-11-14 12:24:21,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:21,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:21,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:21,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:21,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:21,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:22,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 12:24:22,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 12:24:22,992 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-14 12:24:22,992 INFO L320 ceAbstractionStarter]: Result for error location thread_ath9kThread1of1ForFork1 was SAFE (2/3) [2024-11-14 12:24:22,996 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:24:22,996 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 12:24:22,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_usbThread1of1ForFork0 ======== [2024-11-14 12:24:22,997 INFO L333 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, 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;@3a15ea55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:24:22,997 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 12:24:23,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:23,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:23,007 INFO L85 PathProgramCache]: Analyzing trace with hash -420197193, now seen corresponding path program 1 times [2024-11-14 12:24:23,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:23,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983986206] [2024-11-14 12:24:23,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:23,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:23,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983986206] [2024-11-14 12:24:23,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983986206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:23,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:23,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:23,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287260100] [2024-11-14 12:24:23,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:23,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:23,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:23,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:23,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:23,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,099 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:23,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2024-11-14 12:24:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 12:24:23,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:23,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash 987119245, now seen corresponding path program 1 times [2024-11-14 12:24:23,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:23,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281662081] [2024-11-14 12:24:23,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:23,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:23,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:23,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281662081] [2024-11-14 12:24:23,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281662081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:23,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:23,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 12:24:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677229709] [2024-11-14 12:24:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:23,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 12:24:23,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:23,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 12:24:23,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 12:24:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,199 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:23,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-11-14 12:24:23,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 12:24:23,222 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:23,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:23,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1201347622, now seen corresponding path program 1 times [2024-11-14 12:24:23,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:23,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965546333] [2024-11-14 12:24:23,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:23,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:23,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:23,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965546333] [2024-11-14 12:24:23,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965546333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:23,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:23,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:23,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142350164] [2024-11-14 12:24:23,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:23,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:23,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:23,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:23,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:23,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 12:24:23,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:23,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 12:24:23,336 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:23,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:23,337 INFO L85 PathProgramCache]: Analyzing trace with hash 402385990, now seen corresponding path program 1 times [2024-11-14 12:24:23,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:23,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827667700] [2024-11-14 12:24:23,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:23,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:23,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:23,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827667700] [2024-11-14 12:24:23,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827667700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:23,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:23,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:23,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572345006] [2024-11-14 12:24:23,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:23,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:23,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:23,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:23,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,412 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:23,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 12:24:23,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:23,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:23,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 12:24:23,465 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:23,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:23,465 INFO L85 PathProgramCache]: Analyzing trace with hash -717205595, now seen corresponding path program 1 times [2024-11-14 12:24:23,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:23,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782204077] [2024-11-14 12:24:23,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:23,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:23,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782204077] [2024-11-14 12:24:23,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782204077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:23,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:23,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:23,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829441379] [2024-11-14 12:24:23,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:23,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:23,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:23,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:23,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:23,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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) [2024-11-14 12:24:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-14 12:24:23,635 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:23,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:23,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1208175646, now seen corresponding path program 1 times [2024-11-14 12:24:23,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:23,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291088863] [2024-11-14 12:24:23,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:24:23,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:23,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291088863] [2024-11-14 12:24:23,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291088863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:23,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:23,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 12:24:23,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285007578] [2024-11-14 12:24:23,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:23,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 12:24:23,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:23,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 12:24:23,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 12:24:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,741 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:23,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2024-11-14 12:24:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:23,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 12:24:23,804 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:23,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:23,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1917755085, now seen corresponding path program 1 times [2024-11-14 12:24:23,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:23,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586872346] [2024-11-14 12:24:23,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 12:24:24,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:24,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586872346] [2024-11-14 12:24:24,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586872346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:24,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:24,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:24,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146607247] [2024-11-14 12:24:24,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:24,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:24,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:24,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:24,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:24,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:24,060 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:24,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 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) [2024-11-14 12:24:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-14 12:24:24,266 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:24:24,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:24:24,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1951921668, now seen corresponding path program 1 times [2024-11-14 12:24:24,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:24:24,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877361489] [2024-11-14 12:24:24,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:24:24,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:24:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:24:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-14 12:24:24,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:24:24,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877361489] [2024-11-14 12:24:24,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877361489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:24:24,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:24:24,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 12:24:24,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355449644] [2024-11-14 12:24:24,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:24:24,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 12:24:24,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:24:24,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 12:24:24,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 12:24:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:24,399 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:24:24,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 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) [2024-11-14 12:24:24,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:24,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:24,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:24,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:24,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:24,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:24:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 12:24:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 12:24:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 12:24:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 12:24:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 12:24:26,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 12:24:26,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-14 12:24:26,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 12:24:26,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 12:24:26,267 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 12:24:26,267 INFO L320 ceAbstractionStarter]: Result for error location thread_usbThread1of1ForFork0 was SAFE,SAFE,SAFE (3/3) [2024-11-14 12:24:26,267 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 12:24:26,268 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 12:24:26,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 12:24:26,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 12:24:26 BasicIcfg [2024-11-14 12:24:26,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 12:24:26,286 INFO L158 Benchmark]: Toolchain (without parser) took 17434.69ms. Allocated memory was 100.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 70.6MB in the beginning and 847.6MB in the end (delta: -777.0MB). Peak memory consumption was 852.0MB. Max. memory is 8.0GB. [2024-11-14 12:24:26,286 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 12:24:26,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.76ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 60.4MB in the end (delta: 9.9MB). Peak memory consumption was 58.3MB. Max. memory is 8.0GB. [2024-11-14 12:24:26,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.27ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 57.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 12:24:26,287 INFO L158 Benchmark]: Boogie Preprocessor took 30.27ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 54.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 12:24:26,287 INFO L158 Benchmark]: RCFGBuilder took 565.54ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 30.1MB in the end (delta: 24.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-14 12:24:26,287 INFO L158 Benchmark]: TraceAbstraction took 15966.89ms. Allocated memory was 100.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 29.5MB in the beginning and 847.6MB in the end (delta: -818.1MB). Peak memory consumption was 814.6MB. Max. memory is 8.0GB. [2024-11-14 12:24:26,289 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 799.76ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 60.4MB in the end (delta: 9.9MB). Peak memory consumption was 58.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.27ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 57.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 30.27ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 54.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 565.54ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 30.1MB in the end (delta: 24.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 15966.89ms. Allocated memory was 100.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 29.5MB in the beginning and 847.6MB in the end (delta: -818.1MB). Peak memory consumption was 814.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 310590, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 21288, dependent conditional: 21246, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 289452, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 150, dependent conditional: 108, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 289452, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 150, dependent conditional: 108, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 289640, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 338, dependent conditional: 296, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 289640, independent: 289302, independent conditional: 4, independent unconditional: 289298, dependent: 338, dependent conditional: 8, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 289640, independent: 289302, independent conditional: 4, independent unconditional: 289298, dependent: 338, dependent conditional: 8, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12794, independent: 12750, independent conditional: 1, independent unconditional: 12749, dependent: 44, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12794, independent: 12737, independent conditional: 0, independent unconditional: 12737, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 44, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 44, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 964, independent: 241, independent conditional: 15, independent unconditional: 226, dependent: 724, dependent conditional: 22, dependent unconditional: 702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 289640, independent: 276552, independent conditional: 3, independent unconditional: 276549, dependent: 294, dependent conditional: 6, dependent unconditional: 288, unknown: 12794, unknown conditional: 3, unknown unconditional: 12791] , Statistics on independence cache: Total cache size (in pairs): 12794, Positive cache size: 12750, Positive conditional cache size: 1, Positive unconditional cache size: 12749, Negative cache size: 44, Negative conditional cache size: 2, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 271272, Maximal queried relation: 4, Independence queries for same thread: 21138, Persistent sets #1 benchmarks: Persistent set computation time: 2.0s, Number of persistent set computation: 20359, Number of trivial persistent sets: 20079, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18356, independent: 18314, independent conditional: 0, independent unconditional: 18314, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 310590, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 21288, dependent conditional: 21246, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 289452, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 150, dependent conditional: 108, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 289452, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 150, dependent conditional: 108, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 289640, independent: 289302, independent conditional: 270988, independent unconditional: 18314, dependent: 338, dependent conditional: 296, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 289640, independent: 289302, independent conditional: 4, independent unconditional: 289298, dependent: 338, dependent conditional: 8, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 289640, independent: 289302, independent conditional: 4, independent unconditional: 289298, dependent: 338, dependent conditional: 8, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12794, independent: 12750, independent conditional: 1, independent unconditional: 12749, dependent: 44, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12794, independent: 12737, independent conditional: 0, independent unconditional: 12737, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 44, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 44, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 964, independent: 241, independent conditional: 15, independent unconditional: 226, dependent: 724, dependent conditional: 22, dependent unconditional: 702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 289640, independent: 276552, independent conditional: 3, independent unconditional: 276549, dependent: 294, dependent conditional: 6, dependent unconditional: 288, unknown: 12794, unknown conditional: 3, unknown unconditional: 12791] , Statistics on independence cache: Total cache size (in pairs): 12794, Positive cache size: 12750, Positive conditional cache size: 1, Positive unconditional cache size: 12749, Negative cache size: 44, Negative conditional cache size: 2, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 271272, Maximal queried relation: 4, Independence queries for same thread: 21138 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 101043, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 5492, dependent conditional: 5448, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95604, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 53, dependent conditional: 9, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 95604, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 53, dependent conditional: 9, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95637, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 86, dependent conditional: 42, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95637, independent: 95551, independent conditional: 1, independent unconditional: 95550, dependent: 86, dependent conditional: 1, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95637, independent: 95551, independent conditional: 1, independent unconditional: 95550, dependent: 86, dependent conditional: 1, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 685, independent: 680, independent conditional: 1, independent unconditional: 679, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 685, independent: 679, independent conditional: 0, independent unconditional: 679, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 46, dependent conditional: 5, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 95637, independent: 94871, independent conditional: 0, independent unconditional: 94871, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 685, unknown conditional: 2, unknown unconditional: 683] , Statistics on independence cache: Total cache size (in pairs): 13476, Positive cache size: 13429, Positive conditional cache size: 1, Positive unconditional cache size: 13428, Negative cache size: 47, Negative conditional cache size: 1, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 77251, Maximal queried relation: 5, Independence queries for same thread: 5439, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 17259, Number of trivial persistent sets: 16814, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18384, independent: 18340, independent conditional: 0, independent unconditional: 18340, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 101043, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 5492, dependent conditional: 5448, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95604, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 53, dependent conditional: 9, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 95604, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 53, dependent conditional: 9, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95637, independent: 95551, independent conditional: 77211, independent unconditional: 18340, dependent: 86, dependent conditional: 42, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95637, independent: 95551, independent conditional: 1, independent unconditional: 95550, dependent: 86, dependent conditional: 1, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95637, independent: 95551, independent conditional: 1, independent unconditional: 95550, dependent: 86, dependent conditional: 1, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 685, independent: 680, independent conditional: 1, independent unconditional: 679, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 685, independent: 679, independent conditional: 0, independent unconditional: 679, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 46, dependent conditional: 5, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 95637, independent: 94871, independent conditional: 0, independent unconditional: 94871, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 685, unknown conditional: 2, unknown unconditional: 683] , Statistics on independence cache: Total cache size (in pairs): 13476, Positive cache size: 13429, Positive conditional cache size: 1, Positive unconditional cache size: 13428, Negative cache size: 47, Negative conditional cache size: 1, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 77251, Maximal queried relation: 5, Independence queries for same thread: 5439 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 136872, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 8231, dependent conditional: 8208, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128670, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 128670, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128700, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 59, dependent conditional: 36, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128700, independent: 128641, independent conditional: 0, independent unconditional: 128641, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128700, independent: 128641, independent conditional: 0, independent unconditional: 128641, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 128700, independent: 128641, independent conditional: 0, independent unconditional: 128641, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13474, Positive cache size: 13428, Positive conditional cache size: 0, Positive unconditional cache size: 13428, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 112906, Maximal queried relation: 5, Independence queries for same thread: 8202, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 17739, Number of trivial persistent sets: 17193, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15794, independent: 15771, independent conditional: 0, independent unconditional: 15771, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 136872, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 8231, dependent conditional: 8208, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128670, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 128670, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128700, independent: 128641, independent conditional: 112870, independent unconditional: 15771, dependent: 59, dependent conditional: 36, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128700, independent: 128641, independent conditional: 0, independent unconditional: 128641, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128700, independent: 128641, independent conditional: 0, independent unconditional: 128641, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 128700, independent: 128641, independent conditional: 0, independent unconditional: 128641, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13474, Positive cache size: 13428, Positive conditional cache size: 0, Positive unconditional cache size: 13428, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 112906, Maximal queried relation: 5, Independence queries for same thread: 8202 - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 320 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 808 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 35/35 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_ath9kThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 320 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 721 ConstructedInterpolants, 0 QuantifiedInterpolants, 839 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_usbThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 320 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1004 NumberOfCodeBlocks, 1004 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 996 ConstructedInterpolants, 0 QuantifiedInterpolants, 1136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 12:24:26,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...