/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 --traceabstraction.refinement.strategy.for.commutativity.condition.synthesis BADGER -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 15:52:38,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 15:52:38,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 15:52:38,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 15:52:38,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 15:52:38,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 15:52:38,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 15:52:38,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 15:52:38,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 15:52:38,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 15:52:38,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 15:52:38,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 15:52:38,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 15:52:38,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 15:52:38,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 15:52:38,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 15:52:38,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 15:52:38,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 15:52:38,736 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 15:52:38,737 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Refinement strategy for commutativity condition synthesis -> BADGER [2024-11-14 15:52:38,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 15:52:38,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 15:52:38,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 15:52:38,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 15:52:38,969 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 15:52:38,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-11-14 15:52:40,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 15:52:40,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 15:52:40,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-11-14 15:52:40,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3c0198a32/62aa81ac4f6b4a1bbc8863268050f7a3/FLAG39c63c5c5 [2024-11-14 15:52:40,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3c0198a32/62aa81ac4f6b4a1bbc8863268050f7a3 [2024-11-14 15:52:40,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 15:52:40,513 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 15:52:40,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 15:52:40,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 15:52:40,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 15:52:40,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:52:40" (1/1) ... [2024-11-14 15:52:40,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c79c9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:40, skipping insertion in model container [2024-11-14 15:52:40,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:52:40" (1/1) ... [2024-11-14 15:52:40,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 15:52:40,939 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/pthread-complex/elimination_backoff_stack.i[63614,63627] [2024-11-14 15:52:40,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 15:52:40,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 15:52:41,051 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/pthread-complex/elimination_backoff_stack.i[63614,63627] [2024-11-14 15:52:41,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 15:52:41,159 INFO L204 MainTranslator]: Completed translation [2024-11-14 15:52:41,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41 WrapperNode [2024-11-14 15:52:41,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 15:52:41,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 15:52:41,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 15:52:41,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 15:52:41,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,343 INFO L138 Inliner]: procedures = 396, calls = 206, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3772 [2024-11-14 15:52:41,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 15:52:41,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 15:52:41,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 15:52:41,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 15:52:41,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 15:52:41,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 15:52:41,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 15:52:41,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 15:52:41,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (1/1) ... [2024-11-14 15:52:41,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 15:52:41,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 15:52:41,565 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 15:52:41,573 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 15:52:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-11-14 15:52:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-11-14 15:52:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-11-14 15:52:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 15:52:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 15:52:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 15:52:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 15:52:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-11-14 15:52:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-11-14 15:52:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-11-14 15:52:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-11-14 15:52:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-11-14 15:52:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-11-14 15:52:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-11-14 15:52:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-11-14 15:52:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 15:52:41,595 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 15:52:41,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 15:52:41,988 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 15:52:44,882 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 15:52:44,882 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 15:52:47,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 15:52:47,180 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 15:52:47,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:52:47 BoogieIcfgContainer [2024-11-14 15:52:47,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 15:52:47,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 15:52:47,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 15:52:47,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 15:52:47,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:52:40" (1/3) ... [2024-11-14 15:52:47,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450a6b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:52:47, skipping insertion in model container [2024-11-14 15:52:47,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:41" (2/3) ... [2024-11-14 15:52:47,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450a6b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:52:47, skipping insertion in model container [2024-11-14 15:52:47,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:52:47" (3/3) ... [2024-11-14 15:52:47,195 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2024-11-14 15:52:47,217 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 15:52:47,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG elimination_backoff_stack.i that has 8 procedures, 2390 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-14 15:52:47,218 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 15:52:48,122 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 15:52:48,204 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 15:52:48,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 15:52:48,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 15:52:48,207 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 15:52:48,209 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 15:52:48,515 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 15:52:48,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == instrPop3Thread1of1ForFork3 ======== [2024-11-14 15:52:48,551 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;@4bb87163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 15:52:48,551 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 15:57:01,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:57:01,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:57:01,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1759751491, now seen corresponding path program 1 times [2024-11-14 15:57:01,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:57:01,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005452226] [2024-11-14 15:57:01,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:57:01,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:57:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:57:02,587 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 15:57:02,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:57:02,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005452226] [2024-11-14 15:57:02,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005452226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:57:02,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:57:02,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 15:57:02,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524808171] [2024-11-14 15:57:02,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:57:02,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 15:57:02,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:57:02,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 15:57:02,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 15:57:02,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:57:02,619 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:57:02,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 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 15:57:02,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:10,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 15:58:10,301 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:10,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:10,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1424632063, now seen corresponding path program 1 times [2024-11-14 15:58:10,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:10,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216599525] [2024-11-14 15:58:10,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:10,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:10,946 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 15:58:10,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:10,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216599525] [2024-11-14 15:58:10,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216599525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:10,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:10,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 15:58:10,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991802661] [2024-11-14 15:58:10,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:10,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 15:58:10,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:10,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 15:58:10,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 15:58:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:10,953 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:10,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 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 15:58:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:11,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 15:58:11,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:11,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:11,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1460394376, now seen corresponding path program 1 times [2024-11-14 15:58:11,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:11,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484635946] [2024-11-14 15:58:11,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:11,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:11,520 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 15:58:11,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:11,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484635946] [2024-11-14 15:58:11,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484635946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:11,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:11,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 15:58:11,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772870372] [2024-11-14 15:58:11,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:11,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 15:58:11,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:11,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 15:58:11,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 15:58:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:11,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:11,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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 15:58:11,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:11,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:11,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:11,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 15:58:11,723 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:11,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:11,723 INFO L85 PathProgramCache]: Analyzing trace with hash -122527093, now seen corresponding path program 1 times [2024-11-14 15:58:11,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:11,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767287369] [2024-11-14 15:58:11,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:12,027 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 15:58:12,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:12,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767287369] [2024-11-14 15:58:12,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767287369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:12,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:12,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 15:58:12,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86957688] [2024-11-14 15:58:12,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:12,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 15:58:12,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:12,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 15:58:12,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 15:58:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,029 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:12,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.75) internal successors, (451), 4 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 15:58:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 15:58:12,174 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:12,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:12,176 INFO L85 PathProgramCache]: Analyzing trace with hash -773226168, now seen corresponding path program 1 times [2024-11-14 15:58:12,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:12,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475259803] [2024-11-14 15:58:12,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:12,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:12,434 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 15:58:12,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:12,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475259803] [2024-11-14 15:58:12,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475259803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:12,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:12,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 15:58:12,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440460747] [2024-11-14 15:58:12,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:12,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 15:58:12,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:12,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 15:58:12,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 15:58:12,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,436 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:12,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 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 15:58:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:12,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 15:58:12,533 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:12,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:12,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1683387805, now seen corresponding path program 1 times [2024-11-14 15:58:12,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:12,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459406036] [2024-11-14 15:58:12,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:12,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:19,583 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 15:58:19,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:19,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459406036] [2024-11-14 15:58:19,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459406036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:19,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:19,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2024-11-14 15:58:19,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673989926] [2024-11-14 15:58:19,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:19,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-14 15:58:19,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:19,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-14 15:58:19,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2024-11-14 15:58:19,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:19,586 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:19,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 11.633333333333333) internal successors, (349), 30 states have internal predecessors, (349), 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 15:58:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-14 15:58:21,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 15:58:21,905 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:21,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:21,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1605137134, now seen corresponding path program 1 times [2024-11-14 15:58:21,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:21,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151568823] [2024-11-14 15:58:21,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:21,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:31,180 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 15:58:31,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:31,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151568823] [2024-11-14 15:58:31,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151568823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:31,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:31,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2024-11-14 15:58:31,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279370459] [2024-11-14 15:58:31,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:31,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-14 15:58:31,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:31,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-14 15:58:31,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1377, Unknown=0, NotChecked=0, Total=1560 [2024-11-14 15:58:31,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:31,184 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:31,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 8.825) internal successors, (353), 40 states have internal predecessors, (353), 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 15:58:31,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:31,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:31,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:31,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-14 15:58:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-14 15:58:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-14 15:58:34,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 15:58:34,843 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:34,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:34,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1168283527, now seen corresponding path program 1 times [2024-11-14 15:58:34,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:34,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725353342] [2024-11-14 15:58:34,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:34,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:46,977 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 15:58:46,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:46,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725353342] [2024-11-14 15:58:46,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725353342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:46,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:46,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2024-11-14 15:58:46,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162922910] [2024-11-14 15:58:46,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:46,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-14 15:58:46,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:46,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-14 15:58:46,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=2806, Unknown=0, NotChecked=0, Total=3192 [2024-11-14 15:58:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:46,981 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:46,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.2631578947368425) internal successors, (357), 57 states have internal predecessors, (357), 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 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-14 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-14 15:58:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-14 15:58:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-14 15:58:53,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-14 15:58:53,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 15:58:53,014 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 15:58:53,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 15:58:53,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2128036356, now seen corresponding path program 1 times [2024-11-14 15:58:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 15:58:53,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450036321] [2024-11-14 15:58:53,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 15:58:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 15:58:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 15:58:56,989 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 15:58:56,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 15:58:56,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450036321] [2024-11-14 15:58:56,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450036321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 15:58:56,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 15:58:56,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2024-11-14 15:58:56,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877193689] [2024-11-14 15:58:56,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 15:58:56,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-14 15:58:56,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 15:58:56,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-14 15:58:56,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2024-11-14 15:58:56,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:56,991 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 15:58:56,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 12.448275862068966) internal successors, (361), 29 states have internal predecessors, (361), 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 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-11-14 15:58:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-11-14 16:06:43,364 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 16:06:43,364 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 16:06:43,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 16:06:43,840 WARN L596 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-11-11-2-6-2-1 context. [2024-11-14 16:06:43,842 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 16:06:43,850 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 16:06:43,851 INFO L320 ceAbstractionStarter]: Result for error location instrPop3Thread1of1ForFork3 was TIMEOUT (1/8) [2024-11-14 16:06:43,852 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 16:06:43,852 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 16:06:44,039 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 16:06:44,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:06:44 BasicIcfg [2024-11-14 16:06:44,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 16:06:44,045 INFO L158 Benchmark]: Toolchain (without parser) took 843531.63ms. Allocated memory was 71.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 40.7MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-11-14 16:06:44,045 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 26.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 16:06:44,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.59ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 17.4MB in the end (delta: 23.2MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. [2024-11-14 16:06:44,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.62ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 17.4MB in the beginning and 44.6MB in the end (delta: -27.2MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2024-11-14 16:06:44,045 INFO L158 Benchmark]: Boogie Preprocessor took 189.85ms. Allocated memory is still 92.3MB. Free memory was 44.6MB in the beginning and 26.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-14 16:06:44,046 INFO L158 Benchmark]: RCFGBuilder took 5645.72ms. Allocated memory was 92.3MB in the beginning and 251.7MB in the end (delta: 159.4MB). Free memory was 26.4MB in the beginning and 41.3MB in the end (delta: -14.9MB). Peak memory consumption was 169.8MB. Max. memory is 8.0GB. [2024-11-14 16:06:44,046 INFO L158 Benchmark]: TraceAbstraction took 836861.24ms. Allocated memory was 251.7MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 41.3MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-11-14 16:06:44,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 26.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 645.59ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 17.4MB in the end (delta: 23.2MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 183.62ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 17.4MB in the beginning and 44.6MB in the end (delta: -27.2MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 189.85ms. Allocated memory is still 92.3MB. Free memory was 44.6MB in the beginning and 26.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * RCFGBuilder took 5645.72ms. Allocated memory was 92.3MB in the beginning and 251.7MB in the end (delta: 159.4MB). Free memory was 26.4MB in the beginning and 41.3MB in the end (delta: -14.9MB). Peak memory consumption was 169.8MB. Max. memory is 8.0GB. * TraceAbstraction took 836861.24ms. Allocated memory was 251.7MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 41.3MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. 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: 1322513, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 904, dependent conditional: 232, dependent unconditional: 672, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1322281, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 672, dependent conditional: 0, dependent unconditional: 672, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1322281, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 672, dependent conditional: 0, dependent unconditional: 672, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1322337, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 727, dependent conditional: 55, dependent unconditional: 672, unknown: 34, unknown conditional: 1, unknown unconditional: 33] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1322337, independent: 1321576, independent conditional: 55, independent unconditional: 1321521, dependent: 727, dependent conditional: 0, dependent unconditional: 727, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1322337, independent: 1321576, independent conditional: 55, independent unconditional: 1321521, dependent: 727, dependent conditional: 0, dependent unconditional: 727, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1313668, independent: 1312962, independent conditional: 55, independent unconditional: 1312907, dependent: 673, dependent conditional: 0, dependent unconditional: 673, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1313669, independent: 1312834, independent conditional: 0, independent unconditional: 1312834, dependent: 835, dependent conditional: 0, dependent unconditional: 835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 834, independent: 128, independent conditional: 55, independent unconditional: 73, dependent: 673, dependent conditional: 0, dependent unconditional: 673, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 834, independent: 128, independent conditional: 55, independent unconditional: 73, dependent: 673, dependent conditional: 0, dependent unconditional: 673, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , SemanticIndependenceRelation.Query Time [ms]: [ total: 724545, independent: 17956, independent conditional: 14772, independent unconditional: 3184, dependent: 274466, dependent conditional: 0, dependent unconditional: 274466, unknown: 432123, unknown conditional: 0, unknown unconditional: 432123] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1322337, independent: 8614, independent conditional: 0, independent unconditional: 8614, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 1313669, unknown conditional: 55, unknown unconditional: 1313614] , Statistics on independence cache: Total cache size (in pairs): 1313635, Positive cache size: 1312962, Positive conditional cache size: 55, Positive unconditional cache size: 1312907, Negative cache size: 673, Negative conditional cache size: 0, Negative unconditional cache size: 673, Unknown cache size: 33, Unknown conditional cache size: 0, Unknown unconditional cache size: 33, Eliminated conditions: 8670, Maximal queried relation: 1, Independence queries for same thread: 232, Persistent sets #1 benchmarks: Persistent set computation time: 713.5s, Number of persistent set computation: 2284, Number of trivial persistent sets: 1327, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1313612, independent: 1312907, independent conditional: 0, independent unconditional: 1312907, dependent: 672, dependent conditional: 0, dependent unconditional: 672, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1322513, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 904, dependent conditional: 232, dependent unconditional: 672, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1322281, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 672, dependent conditional: 0, dependent unconditional: 672, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1322281, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 672, dependent conditional: 0, dependent unconditional: 672, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1322337, independent: 1321576, independent conditional: 8669, independent unconditional: 1312907, dependent: 727, dependent conditional: 55, dependent unconditional: 672, unknown: 34, unknown conditional: 1, unknown unconditional: 33] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1322337, independent: 1321576, independent conditional: 55, independent unconditional: 1321521, dependent: 727, dependent conditional: 0, dependent unconditional: 727, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1322337, independent: 1321576, independent conditional: 55, independent unconditional: 1321521, dependent: 727, dependent conditional: 0, dependent unconditional: 727, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1313668, independent: 1312962, independent conditional: 55, independent unconditional: 1312907, dependent: 673, dependent conditional: 0, dependent unconditional: 673, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1313669, independent: 1312834, independent conditional: 0, independent unconditional: 1312834, dependent: 835, dependent conditional: 0, dependent unconditional: 835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 834, independent: 128, independent conditional: 55, independent unconditional: 73, dependent: 673, dependent conditional: 0, dependent unconditional: 673, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 834, independent: 128, independent conditional: 55, independent unconditional: 73, dependent: 673, dependent conditional: 0, dependent unconditional: 673, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , SemanticIndependenceRelation.Query Time [ms]: [ total: 724545, independent: 17956, independent conditional: 14772, independent unconditional: 3184, dependent: 274466, dependent conditional: 0, dependent unconditional: 274466, unknown: 432123, unknown conditional: 0, unknown unconditional: 432123] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1322337, independent: 8614, independent conditional: 0, independent unconditional: 8614, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 1313669, unknown conditional: 55, unknown unconditional: 1313614] , Statistics on independence cache: Total cache size (in pairs): 1313635, Positive cache size: 1312962, Positive conditional cache size: 55, Positive unconditional cache size: 1312907, Negative cache size: 673, Negative conditional cache size: 0, Negative unconditional cache size: 673, Unknown cache size: 33, Unknown conditional cache size: 0, Unknown unconditional cache size: 33, Eliminated conditions: 8670, Maximal queried relation: 1, Independence queries for same thread: 232 - TimeoutResultAtElement [Line: 1543]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-11-11-2-6-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: instrPop3Thread1of1ForFork3 with 1 thread instances CFG has 15 procedures, 4669 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 835.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 800.3s, 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: 190, 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: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 31.8s InterpolantComputationTime, 3943 NumberOfCodeBlocks, 3943 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3934 ConstructedInterpolants, 0 QuantifiedInterpolants, 49158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown