/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 --rcfgbuilder.command.for.external.solver 'z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000' -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-9b88b13 [2024-11-17 16:33:37,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 16:33:37,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-17 16:33:37,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 16:33:37,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 16:33:37,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 16:33:37,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 16:33:37,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 16:33:37,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 16:33:37,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 16:33:37,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 16:33:37,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 16:33:37,926 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 16:33:37,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 16:33:37,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 16:33:37,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-17 16:33:37,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 16:33:37,928 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-17 16:33:37,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 16:33:37,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-17 16:33:37,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 16:33:37,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 16:33:37,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 16:33:37,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 16:33:37,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 16:33:37,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 16:33:37,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-17 16:33:37,929 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-17 16:33:37,929 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-17 16:33:37,929 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.rcfgbuilder: Command for external solver -> z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2024-11-17 16:33:38,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 16:33:38,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 16:33:38,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 16:33:38,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 16:33:38,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 16:33:38,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-11-17 16:33:39,520 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/29a453147/ebac04156e8248039f9ccc326b95a2e2/FLAGa99737080 [2024-11-17 16:33:39,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 16:33:39,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-11-17 16:33:39,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/29a453147/ebac04156e8248039f9ccc326b95a2e2/FLAGa99737080 [2024-11-17 16:33:40,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/29a453147/ebac04156e8248039f9ccc326b95a2e2 [2024-11-17 16:33:40,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 16:33:40,091 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-17 16:33:40,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 16:33:40,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 16:33:40,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 16:33:40,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:40,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8f201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40, skipping insertion in model container [2024-11-17 16:33:40,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:40,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 16:33:40,606 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] [2024-11-17 16:33:40,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 16:33:40,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 16:33:40,737 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] [2024-11-17 16:33:40,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 16:33:40,870 INFO L204 MainTranslator]: Completed translation [2024-11-17 16:33:40,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40 WrapperNode [2024-11-17 16:33:40,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 16:33:40,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 16:33:40,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 16:33:40,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 16:33:40,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:40,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,034 INFO L138 Inliner]: procedures = 396, calls = 206, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3772 [2024-11-17 16:33:41,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 16:33:41,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 16:33:41,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 16:33:41,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 16:33:41,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 16:33:41,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-17 16:33:41,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-17 16:33:41,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-17 16:33:41,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (1/1) ... [2024-11-17 16:33:41,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2024-11-17 16:33:41,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 16:33:41,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 16:33:41,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 16:33:41,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 16:33:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 16:33:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-17 16:33:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 16:33:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-17 16:33:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-11-17 16:33:41,332 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-11-17 16:33:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-11-17 16:33:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-11-17 16:33:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-11-17 16:33:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-11-17 16:33:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 16:33:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 16:33:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-17 16:33:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-17 16:33:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-17 16:33:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-11-17 16:33:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-11-17 16:33:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-11-17 16:33:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-11-17 16:33:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-11-17 16:33:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-11-17 16:33:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-11-17 16:33:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-11-17 16:33:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-17 16:33:41,337 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 16:33:41,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-17 16:33:41,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 16:33:44,940 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 16:33:44,940 INFO L287 CfgBuilder]: Performing block encoding [2024-11-17 16:33:47,044 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 16:33:47,045 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 16:33:47,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 04:33:47 BoogieIcfgContainer [2024-11-17 16:33:47,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-17 16:33:47,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 16:33:47,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 16:33:47,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 16:33:47,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:33:40" (1/3) ... [2024-11-17 16:33:47,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e69cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:33:47, skipping insertion in model container [2024-11-17 16:33:47,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:33:40" (2/3) ... [2024-11-17 16:33:47,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e69cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:33:47, skipping insertion in model container [2024-11-17 16:33:47,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 04:33:47" (3/3) ... [2024-11-17 16:33:47,055 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2024-11-17 16:33:47,071 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 16:33:47,072 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. [2024-11-17 16:33:47,072 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 16:33:48,042 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 16:33:48,151 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 16:33:48,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-17 16:33:48,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 16:33:48,154 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) [2024-11-17 16:33:48,156 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 [2024-11-17 16:33:48,522 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-17 16:33:48,530 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == instrPop3Thread1of1ForFork3 ======== [2024-11-17 16:33:48,536 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;@7fd802d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 16:33:48,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-17 16:37:42,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:37:42,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:37:42,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1759751491, now seen corresponding path program 1 times [2024-11-17 16:37:42,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:37:42,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957864251] [2024-11-17 16:37:42,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:37:42,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:37:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:37:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:37:43,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:37:43,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957864251] [2024-11-17 16:37:43,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957864251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:37:43,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:37:43,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 16:37:43,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329027685] [2024-11-17 16:37:43,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:37:43,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 16:37:43,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:37:43,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 16:37:43,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 16:37:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:37:43,287 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:37:43,288 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) [2024-11-17 16:37:43,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:42,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 16:38:42,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:38:42,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:38:42,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1424632063, now seen corresponding path program 1 times [2024-11-17 16:38:42,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:38:42,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460366571] [2024-11-17 16:38:42,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:38:42,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:38:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:38:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:38:43,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:38:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460366571] [2024-11-17 16:38:43,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460366571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:38:43,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:38:43,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 16:38:43,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99554057] [2024-11-17 16:38:43,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:38:43,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 16:38:43,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:38:43,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 16:38:43,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 16:38:43,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:43,943 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:38:43,944 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) [2024-11-17 16:38:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:44,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:44,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 16:38:44,295 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:38:44,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:38:44,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1460394376, now seen corresponding path program 1 times [2024-11-17 16:38:44,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:38:44,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110116306] [2024-11-17 16:38:44,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:38:44,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:38:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:38:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:38:44,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:38:44,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110116306] [2024-11-17 16:38:44,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110116306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:38:44,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:38:44,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 16:38:44,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344078038] [2024-11-17 16:38:44,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:38:44,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 16:38:44,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:38:44,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 16:38:44,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 16:38:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:44,777 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:38:44,777 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) [2024-11-17 16:38:44,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:44,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:44,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:45,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 16:38:45,069 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:38:45,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:38:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash -122527093, now seen corresponding path program 1 times [2024-11-17 16:38:45,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:38:45,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682467280] [2024-11-17 16:38:45,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:38:45,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:38:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:38:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:38:45,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:38:45,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682467280] [2024-11-17 16:38:45,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682467280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:38:45,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:38:45,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 16:38:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027781662] [2024-11-17 16:38:45,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:38:45,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 16:38:45,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:38:45,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 16:38:45,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 16:38:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:45,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:38:45,552 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) [2024-11-17 16:38:45,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:45,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:45,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:45,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:45,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:45,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:45,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:45,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:45,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 16:38:45,769 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:38:45,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:38:45,771 INFO L85 PathProgramCache]: Analyzing trace with hash -773226168, now seen corresponding path program 1 times [2024-11-17 16:38:45,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:38:45,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503045122] [2024-11-17 16:38:45,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:38:45,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:38:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:38:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:38:46,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:38:46,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503045122] [2024-11-17 16:38:46,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503045122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:38:46,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:38:46,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 16:38:46,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479219331] [2024-11-17 16:38:46,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:38:46,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 16:38:46,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:38:46,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 16:38:46,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 16:38:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:46,151 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:38:46,151 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) [2024-11-17 16:38:46,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:46,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:46,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:46,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:46,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:46,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 16:38:46,295 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:38:46,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:38:46,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1683387805, now seen corresponding path program 1 times [2024-11-17 16:38:46,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:38:46,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240693799] [2024-11-17 16:38:46,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:38:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:38:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:38:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:38:55,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:38:55,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240693799] [2024-11-17 16:38:55,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240693799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:38:55,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:38:55,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2024-11-17 16:38:55,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891402732] [2024-11-17 16:38:55,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:38:55,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 16:38:55,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:38:55,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 16:38:55,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2024-11-17 16:38:55,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:55,435 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:38:55,435 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) [2024-11-17 16:38:55,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:55,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:55,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:55,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:55,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:38:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:38:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 16:38:58,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 16:38:58,120 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:38:58,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:38:58,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1605137134, now seen corresponding path program 1 times [2024-11-17 16:38:58,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:38:58,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043760895] [2024-11-17 16:38:58,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:38:58,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:38:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:39:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:39:08,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:39:08,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043760895] [2024-11-17 16:39:08,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043760895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:39:08,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:39:08,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2024-11-17 16:39:08,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200362646] [2024-11-17 16:39:08,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:39:08,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-17 16:39:08,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:39:08,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-17 16:39:08,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1377, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 16:39:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:08,206 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:39:08,207 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) [2024-11-17 16:39:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-17 16:39:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 16:39:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-17 16:39:12,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 16:39:12,024 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:39:12,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:39:12,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1168283527, now seen corresponding path program 1 times [2024-11-17 16:39:12,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:39:12,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110226320] [2024-11-17 16:39:12,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:39:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:39:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:39:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:39:25,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:39:25,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110226320] [2024-11-17 16:39:25,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110226320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:39:25,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:39:25,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2024-11-17 16:39:25,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308970865] [2024-11-17 16:39:25,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:39:25,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-17 16:39:25,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:39:25,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-17 16:39:25,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=2806, Unknown=0, NotChecked=0, Total=3192 [2024-11-17 16:39:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:25,985 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:39:25,986 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) [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-17 16:39:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 16:39:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-17 16:39:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-17 16:39:32,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 16:39:32,059 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:39:32,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:39:32,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2128036356, now seen corresponding path program 1 times [2024-11-17 16:39:32,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:39:32,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748726122] [2024-11-17 16:39:32,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:39:32,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:39:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:39:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 16:39:36,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:39:36,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748726122] [2024-11-17 16:39:36,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748726122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 16:39:36,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 16:39:36,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2024-11-17 16:39:36,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063438428] [2024-11-17 16:39:36,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 16:39:36,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 16:39:36,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:39:36,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 16:39:36,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2024-11-17 16:39:36,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:36,434 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:39:36,434 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) [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-11-17 16:39:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-11-17 16:47:14,359 WARN L228 SmtUtils]: Removed 2 from assertion stack [2024-11-17 16:47:14,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 16:47:14,359 WARN L596 AbstractCegarLoop]: Verification canceled: while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 6ms.. [2024-11-17 16:47:14,361 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-17 16:47:14,369 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 16:47:14,370 INFO L320 ceAbstractionStarter]: Result for error location instrPop3Thread1of1ForFork3 was TIMEOUT (1/8) [2024-11-17 16:47:14,372 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 16:47:14,372 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 16:47:14,387 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-17 16:47:14,388 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 [2024-11-17 16:47:14,551 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 [2024-11-17 16:47:14,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:47:14 BasicIcfg [2024-11-17 16:47:14,552 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 16:47:14,552 INFO L158 Benchmark]: Toolchain (without parser) took 814461.65ms. Allocated memory was 83.9MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 53.7MB in the beginning and 908.5MB in the end (delta: -854.9MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-11-17 16:47:14,552 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-17 16:47:14,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.01ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 41.6MB in the end (delta: 11.8MB). Peak memory consumption was 44.9MB. Max. memory is 8.0GB. [2024-11-17 16:47:14,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.16ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 23.1MB in the end (delta: 18.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-17 16:47:14,553 INFO L158 Benchmark]: Boogie Preprocessor took 237.51ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 23.1MB in the beginning and 59.5MB in the end (delta: -36.3MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2024-11-17 16:47:14,553 INFO L158 Benchmark]: RCFGBuilder took 5771.71ms. Allocated memory was 109.1MB in the beginning and 494.9MB in the end (delta: 385.9MB). Free memory was 59.5MB in the beginning and 244.9MB in the end (delta: -185.5MB). Peak memory consumption was 198.5MB. Max. memory is 8.0GB. [2024-11-17 16:47:14,553 INFO L158 Benchmark]: TraceAbstraction took 807504.12ms. Allocated memory was 494.9MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 244.9MB in the beginning and 908.5MB in the end (delta: -663.6MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-11-17 16:47:14,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 779.01ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 41.6MB in the end (delta: 11.8MB). Peak memory consumption was 44.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 162.16ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 23.1MB in the end (delta: 18.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 237.51ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 23.1MB in the beginning and 59.5MB in the end (delta: -36.3MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * RCFGBuilder took 5771.71ms. Allocated memory was 109.1MB in the beginning and 494.9MB in the end (delta: 385.9MB). Free memory was 59.5MB in the beginning and 244.9MB in the end (delta: -185.5MB). Peak memory consumption was 198.5MB. Max. memory is 8.0GB. * TraceAbstraction took 807504.12ms. Allocated memory was 494.9MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 244.9MB in the beginning and 908.5MB in the end (delta: -663.6MB). Peak memory consumption was 1.0GB. 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: 1332798, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 909, dependent conditional: 233, dependent unconditional: 676, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1332565, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1332565, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1332622, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 732, dependent conditional: 56, dependent unconditional: 676, unknown: 33, unknown conditional: 1, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1332622, independent: 1331857, independent conditional: 57, independent unconditional: 1331800, dependent: 732, dependent conditional: 0, dependent unconditional: 732, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1332622, independent: 1331857, independent conditional: 57, independent unconditional: 1331800, dependent: 732, dependent conditional: 0, dependent unconditional: 732, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1323795, independent: 1323086, independent conditional: 57, independent unconditional: 1323029, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1323796, independent: 1322956, independent conditional: 0, independent unconditional: 1322956, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 839, independent: 130, independent conditional: 57, independent unconditional: 73, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 839, independent: 130, independent conditional: 57, independent unconditional: 73, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , SemanticIndependenceRelation.Query Time [ms]: [ total: 723539, independent: 79433, independent conditional: 76559, independent unconditional: 2875, dependent: 107405, dependent conditional: 0, dependent unconditional: 107405, unknown: 536701, unknown conditional: 0, unknown unconditional: 536701] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1332622, independent: 8771, independent conditional: 0, independent unconditional: 8771, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 1323796, unknown conditional: 57, unknown unconditional: 1323739] , Statistics on independence cache: Total cache size (in pairs): 1323763, Positive cache size: 1323086, Positive conditional cache size: 57, Positive unconditional cache size: 1323029, Negative cache size: 677, Negative conditional cache size: 0, Negative unconditional cache size: 677, Unknown cache size: 32, Unknown conditional cache size: 0, Unknown unconditional cache size: 32, Eliminated conditions: 8828, Maximal queried relation: 1, Independence queries for same thread: 233, Persistent sets #1 benchmarks: Persistent set computation time: 650.3s, Number of persistent set computation: 2306, Number of trivial persistent sets: 1327, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1323737, independent: 1323029, independent conditional: 0, independent unconditional: 1323029, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1332798, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 909, dependent conditional: 233, dependent unconditional: 676, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1332565, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1332565, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1332622, independent: 1331857, independent conditional: 8828, independent unconditional: 1323029, dependent: 732, dependent conditional: 56, dependent unconditional: 676, unknown: 33, unknown conditional: 1, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1332622, independent: 1331857, independent conditional: 57, independent unconditional: 1331800, dependent: 732, dependent conditional: 0, dependent unconditional: 732, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1332622, independent: 1331857, independent conditional: 57, independent unconditional: 1331800, dependent: 732, dependent conditional: 0, dependent unconditional: 732, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1323795, independent: 1323086, independent conditional: 57, independent unconditional: 1323029, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1323796, independent: 1322956, independent conditional: 0, independent unconditional: 1322956, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 839, independent: 130, independent conditional: 57, independent unconditional: 73, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 839, independent: 130, independent conditional: 57, independent unconditional: 73, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , SemanticIndependenceRelation.Query Time [ms]: [ total: 723539, independent: 79433, independent conditional: 76559, independent unconditional: 2875, dependent: 107405, dependent conditional: 0, dependent unconditional: 107405, unknown: 536701, unknown conditional: 0, unknown unconditional: 536701] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1332622, independent: 8771, independent conditional: 0, independent unconditional: 8771, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 1323796, unknown conditional: 57, unknown unconditional: 1323739] , Statistics on independence cache: Total cache size (in pairs): 1323763, Positive cache size: 1323086, Positive conditional cache size: 57, Positive unconditional cache size: 1323029, Negative cache size: 677, Negative conditional cache size: 0, Negative unconditional cache size: 677, Unknown cache size: 32, Unknown conditional cache size: 0, Unknown unconditional cache size: 32, Eliminated conditions: 8828, Maximal queried relation: 1, Independence queries for same thread: 233 - TimeoutResultAtElement [Line: 1543]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 6ms.. - 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: 805.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 764.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, 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: 0.2s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 37.3s 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: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown