/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_09-ptrmunge_racing.i


--------------------------------------------------------------------------------


This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6
[2024-11-15 22:27:20,527 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-15 22:27:20,588 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2024-11-15 22:27:20,593 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-15 22:27:20,593 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-15 22:27:20,616 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-15 22:27:20,617 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-15 22:27:20,617 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-15 22:27:20,617 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-15 22:27:20,617 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-15 22:27:20,617 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-15 22:27:20,617 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-15 22:27:20,617 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-15 22:27:20,618 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-15 22:27:20,618 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-15 22:27:20,618 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-15 22:27:20,618 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-15 22:27:20,618 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-15 22:27:20,618 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-15 22:27:20,618 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-15 22:27:20,618 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-15 22:27:20,619 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-15 22:27:20,619 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-15 22:27:20,619 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-15 22:27:20,619 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-15 22:27:20,620 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-15 22:27:20,620 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-15 22:27:20,620 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT
[2024-11-15 22:27:20,791 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-15 22:27:20,797 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-15 22:27:20,798 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-15 22:27:20,799 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-15 22:27:20,799 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-15 22:27:20,800 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_09-ptrmunge_racing.i
[2024-11-15 22:27:21,989 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-15 22:27:22,212 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-15 22:27:22,213 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_09-ptrmunge_racing.i
[2024-11-15 22:27:22,225 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/23e123cfe/566713d936264807bdc2f51d3e68a121/FLAGeb79bbb60
[2024-11-15 22:27:22,241 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/23e123cfe/566713d936264807bdc2f51d3e68a121
[2024-11-15 22:27:22,244 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-15 22:27:22,245 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-15 22:27:22,246 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-15 22:27:22,246 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-15 22:27:22,249 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-15 22:27:22,250 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,251 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4f0e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22, skipping insertion in model container
[2024-11-15 22:27:22,251 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,281 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-15 22:27:22,482 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/goblint-regression/28-race_reach_09-ptrmunge_racing.i[30176,30189]
[2024-11-15 22:27:22,508 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-15 22:27:22,529 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-15 22:27:22,559 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/goblint-regression/28-race_reach_09-ptrmunge_racing.i[30176,30189]
[2024-11-15 22:27:22,572 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-15 22:27:22,601 INFO  L204         MainTranslator]: Completed translation
[2024-11-15 22:27:22,602 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22 WrapperNode
[2024-11-15 22:27:22,602 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-15 22:27:22,603 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-15 22:27:22,603 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-15 22:27:22,603 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-15 22:27:22,607 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,616 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,637 INFO  L138                Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 234
[2024-11-15 22:27:22,637 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-15 22:27:22,638 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-15 22:27:22,638 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-15 22:27:22,638 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-15 22:27:22,643 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,643 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,652 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,652 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,658 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,667 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,668 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,669 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,671 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-15 22:27:22,672 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-15 22:27:22,672 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-15 22:27:22,672 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-15 22:27:22,673 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (1/1) ...
[2024-11-15 22:27:22,676 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-15 22:27:22,685 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-15 22:27:22,695 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)
[2024-11-15 22:27:22,699 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
[2024-11-15 22:27:22,717 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-15 22:27:22,717 INFO  L130     BoogieDeclarations]: Found specification of procedure t2_fun
[2024-11-15 22:27:22,717 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2_fun
[2024-11-15 22:27:22,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-15 22:27:22,717 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure t1_fun
[2024-11-15 22:27:22,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1_fun
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-15 22:27:22,718 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-15 22:27:22,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-15 22:27:22,719 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-15 22:27:22,823 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-15 22:27:22,824 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-15 22:27:23,115 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-15 22:27:23,115 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-15 22:27:23,154 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-15 22:27:23,154 INFO  L316             CfgBuilder]: Removed 24 assume(true) statements.
[2024-11-15 22:27:23,154 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:27:23 BoogieIcfgContainer
[2024-11-15 22:27:23,154 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-15 22:27:23,156 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-15 22:27:23,156 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-15 22:27:23,159 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-15 22:27:23,159 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:27:22" (1/3) ...
[2024-11-15 22:27:23,159 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681ec17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:27:23, skipping insertion in model container
[2024-11-15 22:27:23,159 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:22" (2/3) ...
[2024-11-15 22:27:23,160 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681ec17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:27:23, skipping insertion in model container
[2024-11-15 22:27:23,160 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:27:23" (3/3) ...
[2024-11-15 22:27:23,160 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_09-ptrmunge_racing.i
[2024-11-15 22:27:23,169 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-15 22:27:23,170 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_09-ptrmunge_racing.i that has 3 procedures, 205 locations, 1 initial locations, 14 loop locations, and 2 error locations.
[2024-11-15 22:27:23,170 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-15 22:27:23,247 INFO  L143    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-15 22:27:23,295 INFO  L126   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:23,296 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-15 22:27:23,296 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-15 22:27:23,298 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)
[2024-11-15 22:27:23,301 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
[2024-11-15 22:27:23,374 INFO  L181   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-15 22:27:23,385 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork1 ========
[2024-11-15 22:27:23,391 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;@bcfaa25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:23,391 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-15 22:27:23,771 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-15 22:27:23,771 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:23,772 INFO  L132   ounterexampleChecker]: Examining path program with hash 1457236545, occurence #1
[2024-11-15 22:27:23,772 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:23,772 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:23,774 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:23,775 INFO  L85        PathProgramCache]: Analyzing trace with hash 143998178, now seen corresponding path program 1 times
[2024-11-15 22:27:23,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:23,780 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367780424]
[2024-11-15 22:27:23,780 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:23,780 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:23,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-15 22:27:23,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-15 22:27:23,971 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-15 22:27:23,971 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367780424]
[2024-11-15 22:27:23,972 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367780424] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-15 22:27:23,972 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-15 22:27:23,972 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-15 22:27:23,973 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303453923]
[2024-11-15 22:27:23,978 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-15 22:27:23,984 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-15 22:27:23,984 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-15 22:27:24,008 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-15 22:27:24,008 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-15 22:27:24,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:24,009 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-15 22:27:24,012 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 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)
[2024-11-15 22:27:24,012 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:27,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:27,499 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-15 22:27:27,499 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-15 22:27:27,499 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:27,499 INFO  L132   ounterexampleChecker]: Examining path program with hash 1894158796, occurence #1
[2024-11-15 22:27:27,499 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:27,499 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:27,500 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:27,500 INFO  L85        PathProgramCache]: Analyzing trace with hash -2075114459, now seen corresponding path program 1 times
[2024-11-15 22:27:27,500 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:27,500 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523908513]
[2024-11-15 22:27:27,500 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:27,500 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:27,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-15 22:27:27,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-15 22:27:27,782 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-15 22:27:27,782 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523908513]
[2024-11-15 22:27:27,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523908513] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-15 22:27:27,782 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-15 22:27:27,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-15 22:27:27,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980621281]
[2024-11-15 22:27:27,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-15 22:27:27,783 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-15 22:27:27,783 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-15 22:27:27,783 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-15 22:27:27,784 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-15 22:27:27,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:27,791 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-15 22:27:27,792 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-15 22:27:27,792 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:27,792 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:28,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:28,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-15 22:27:28,271 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-15 22:27:28,271 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-15 22:27:28,275 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-15 22:27:28,276 INFO  L320   ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork1 was SAFE (1/3)
[2024-11-15 22:27:28,282 INFO  L126   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:28,283 INFO  L181   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-15 22:27:28,283 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork0 ========
[2024-11-15 22:27:28,283 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;@bcfaa25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:28,283 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-15 22:27:28,299 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-15 22:27:28,299 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:28,299 INFO  L132   ounterexampleChecker]: Examining path program with hash 961933056, occurence #1
[2024-11-15 22:27:28,299 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:28,299 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:28,300 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:28,300 INFO  L85        PathProgramCache]: Analyzing trace with hash 1844818188, now seen corresponding path program 1 times
[2024-11-15 22:27:28,300 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:28,300 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148994585]
[2024-11-15 22:27:28,300 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:28,300 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:28,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-15 22:27:28,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-15 22:27:28,356 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-15 22:27:28,356 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148994585]
[2024-11-15 22:27:28,356 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148994585] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-15 22:27:28,356 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-15 22:27:28,356 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-15 22:27:28,356 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285821645]
[2024-11-15 22:27:28,356 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-15 22:27:28,356 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-15 22:27:28,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-15 22:27:28,357 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-15 22:27:28,357 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-15 22:27:28,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:28,359 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-15 22:27:28,359 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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)
[2024-11-15 22:27:28,359 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:31,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:31,080 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-15 22:27:31,080 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-15 22:27:31,080 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:31,080 INFO  L132   ounterexampleChecker]: Examining path program with hash -1493496686, occurence #1
[2024-11-15 22:27:31,080 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:31,080 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:31,080 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:31,080 INFO  L85        PathProgramCache]: Analyzing trace with hash 592152609, now seen corresponding path program 1 times
[2024-11-15 22:27:31,080 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:31,081 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745831861]
[2024-11-15 22:27:31,081 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:31,081 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:31,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-15 22:27:31,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-15 22:27:31,478 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-15 22:27:31,478 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745831861]
[2024-11-15 22:27:31,479 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745831861] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-15 22:27:31,479 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-15 22:27:31,479 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-15 22:27:31,479 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547091862]
[2024-11-15 22:27:31,479 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-15 22:27:31,479 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-15 22:27:31,479 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-15 22:27:31,479 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-15 22:27:31,480 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2024-11-15 22:27:31,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:31,480 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-15 22:27:31,480 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 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)
[2024-11-15 22:27:31,480 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:31,480 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:32,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:32,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-15 22:27:32,899 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-15 22:27:32,899 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-15 22:27:32,899 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:32,899 INFO  L132   ounterexampleChecker]: Examining path program with hash -576315291, occurence #1
[2024-11-15 22:27:32,899 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:32,899 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:32,900 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:32,900 INFO  L85        PathProgramCache]: Analyzing trace with hash 1878317270, now seen corresponding path program 1 times
[2024-11-15 22:27:32,900 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:32,900 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245136028]
[2024-11-15 22:27:32,900 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:32,900 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:32,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-15 22:27:32,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-15 22:27:32,980 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-15 22:27:32,980 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245136028]
[2024-11-15 22:27:32,980 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245136028] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-15 22:27:32,981 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-15 22:27:32,981 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-15 22:27:32,981 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9377459]
[2024-11-15 22:27:32,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-15 22:27:32,981 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-15 22:27:32,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-15 22:27:32,981 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-15 22:27:32,981 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-15 22:27:32,982 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:32,982 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-15 22:27:32,982 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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)
[2024-11-15 22:27:32,982 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:32,982 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-11-15 22:27:32,982 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:33,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:33,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-15 22:27:33,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-15 22:27:33,199 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-15 22:27:33,199 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-15 22:27:33,200 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-15 22:27:33,200 INFO  L320   ceAbstractionStarter]: Result for error location t1_funThread1of1ForFork0 was SAFE (2/3)
[2024-11-15 22:27:33,203 INFO  L126   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:33,203 INFO  L181   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-15 22:27:33,203 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-15 22:27:33,204 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;@bcfaa25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:33,204 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-15 22:27:33,210 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-15 22:27:33,210 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:33,210 INFO  L132   ounterexampleChecker]: Examining path program with hash -1284291441, occurence #1
[2024-11-15 22:27:33,210 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:33,210 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:33,210 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:33,210 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875414743, now seen corresponding path program 1 times
[2024-11-15 22:27:33,210 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:33,210 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591244284]
[2024-11-15 22:27:33,210 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:33,211 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:33,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-15 22:27:33,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-15 22:27:33,234 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-15 22:27:33,234 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591244284]
[2024-11-15 22:27:33,234 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591244284] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-15 22:27:33,234 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-15 22:27:33,234 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-15 22:27:33,234 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665132617]
[2024-11-15 22:27:33,234 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-15 22:27:33,234 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-15 22:27:33,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-15 22:27:33,235 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-15 22:27:33,235 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-15 22:27:33,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:33,235 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-15 22:27:33,235 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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)
[2024-11-15 22:27:33,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:33,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:33,240 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-15 22:27:33,241 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-15 22:27:33,241 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:33,241 INFO  L132   ounterexampleChecker]: Examining path program with hash 278182813, occurence #1
[2024-11-15 22:27:33,241 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:33,241 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:33,241 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:33,241 INFO  L85        PathProgramCache]: Analyzing trace with hash -1676280305, now seen corresponding path program 1 times
[2024-11-15 22:27:33,241 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:33,241 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622584298]
[2024-11-15 22:27:33,241 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:33,241 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:33,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-15 22:27:33,255 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-15 22:27:33,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-15 22:27:33,291 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-15 22:27:33,291 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-15 22:27:33,291 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining)
[2024-11-15 22:27:33,291 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-11-15 22:27:33,291 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-15 22:27:33,292 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-15 22:27:33,293 INFO  L320   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (3/3)
[2024-11-15 22:27:33,293 WARN  L247   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-15 22:27:33,293 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-15 22:27:33,334 INFO  L143    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2024-11-15 22:27:33,342 INFO  L126   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:33,365 INFO  L181   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-15 22:27:33,365 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of2ForFork1 ========
[2024-11-15 22:27:33,369 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;@bcfaa25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-15 22:27:33,369 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-15 22:27:34,834 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-15 22:27:34,834 INFO  L312   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-15 22:27:34,834 INFO  L132   ounterexampleChecker]: Examining path program with hash -1397163560, occurence #1
[2024-11-15 22:27:34,834 INFO  L134   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-15 22:27:34,834 INFO  L322   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-15 22:27:34,835 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-15 22:27:34,835 INFO  L85        PathProgramCache]: Analyzing trace with hash -971632765, now seen corresponding path program 1 times
[2024-11-15 22:27:34,835 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-15 22:27:34,835 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908569452]
[2024-11-15 22:27:34,835 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-15 22:27:34,835 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-15 22:27:34,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-15 22:27:34,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-15 22:27:34,868 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-15 22:27:34,868 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908569452]
[2024-11-15 22:27:34,868 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908569452] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-15 22:27:34,868 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-15 22:27:34,868 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-15 22:27:34,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404094877]
[2024-11-15 22:27:34,868 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-15 22:27:34,868 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-15 22:27:34,868 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-15 22:27:34,869 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-15 22:27:34,869 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-15 22:27:34,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-15 22:27:34,869 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-15 22:27:34,869 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 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)
[2024-11-15 22:27:34,869 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.