/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --traceabstraction.refinement.strategy.for.commutativity.condition.synthesis CAMEL -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i


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


This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277
[2024-11-14 19:24:15,353 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-14 19:24:15,421 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2024-11-14 19:24:15,425 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-14 19:24:15,426 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-14 19:24:15,446 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-14 19:24:15,446 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-14 19:24:15,446 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-14 19:24:15,447 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-14 19:24:15,447 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-14 19:24:15,447 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-14 19:24:15,447 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-14 19:24:15,447 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-14 19:24:15,447 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-14 19:24:15,447 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-14 19:24:15,447 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-14 19:24:15,448 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-14 19:24:15,448 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-14 19:24:15,448 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-14 19:24:15,448 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-14 19:24:15,448 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-14 19:24:15,448 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-14 19:24:15,450 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-14 19:24:15,450 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-14 19:24:15,450 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-14 19:24:15,451 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-14 19:24:15,451 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-14 19:24:15,451 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-14 19:24:15,452 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-14 19:24:15,452 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-14 19:24:15,452 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-14 19:24:15,452 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Refinement strategy for commutativity condition synthesis -> CAMEL
[2024-11-14 19:24:15,762 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-14 19:24:15,771 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-14 19:24:15,773 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-14 19:24:15,775 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-14 19:24:15,776 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-14 19:24:15,779 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i
[2024-11-14 19:24:17,110 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-14 19:24:17,427 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-14 19:24:17,428 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i
[2024-11-14 19:24:17,450 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e7907d1a/995b814c6212485594dca233cb20c8c9/FLAG74bc75d25
[2024-11-14 19:24:17,471 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e7907d1a/995b814c6212485594dca233cb20c8c9
[2024-11-14 19:24:17,476 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-14 19:24:17,478 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-14 19:24:17,480 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-14 19:24:17,481 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-14 19:24:17,486 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-14 19:24:17,487 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:24:17" (1/1) ...
[2024-11-14 19:24:17,487 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78140cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:17, skipping insertion in model container
[2024-11-14 19:24:17,487 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:24:17" (1/1) ...
[2024-11-14 19:24:17,539 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-14 19:24:17,851 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_03-munge_racing.i[30176,30189]
[2024-11-14 19:24:17,884 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-14 19:24:17,909 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-14 19:24:17,952 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_03-munge_racing.i[30176,30189]
[2024-11-14 19:24:17,968 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-14 19:24:18,013 INFO  L204         MainTranslator]: Completed translation
[2024-11-14 19:24:18,014 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18 WrapperNode
[2024-11-14 19:24:18,014 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-14 19:24:18,015 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-14 19:24:18,016 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-14 19:24:18,016 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-14 19:24:18,021 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,038 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,064 INFO  L138                Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 217
[2024-11-14 19:24:18,067 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-14 19:24:18,068 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-14 19:24:18,068 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-14 19:24:18,068 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-14 19:24:18,075 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,076 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,084 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,084 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,098 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,106 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,107 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,110 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,113 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-14 19:24:18,114 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-14 19:24:18,114 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-14 19:24:18,114 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-14 19:24:18,118 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (1/1) ...
[2024-11-14 19:24:18,127 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-14 19:24:18,142 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-14 19:24:18,154 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-14 19:24:18,157 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-14 19:24:18,177 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-14 19:24:18,177 INFO  L130     BoogieDeclarations]: Found specification of procedure t2_fun
[2024-11-14 19:24:18,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2_fun
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure t1_fun
[2024-11-14 19:24:18,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1_fun
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-14 19:24:18,178 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-14 19:24:18,179 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-14 19:24:18,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-14 19:24:18,180 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-14 19:24:18,316 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-14 19:24:18,317 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-14 19:24:18,677 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-14 19:24:18,677 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-14 19:24:18,730 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-14 19:24:18,730 INFO  L316             CfgBuilder]: Removed 24 assume(true) statements.
[2024-11-14 19:24:18,730 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:24:18 BoogieIcfgContainer
[2024-11-14 19:24:18,730 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-14 19:24:18,735 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-14 19:24:18,735 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-14 19:24:18,753 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-14 19:24:18,753 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:24:17" (1/3) ...
[2024-11-14 19:24:18,754 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d828b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:24:18, skipping insertion in model container
[2024-11-14 19:24:18,754 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:24:18" (2/3) ...
[2024-11-14 19:24:18,754 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d828b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:24:18, skipping insertion in model container
[2024-11-14 19:24:18,755 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:24:18" (3/3) ...
[2024-11-14 19:24:18,756 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_03-munge_racing.i
[2024-11-14 19:24:18,770 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-14 19:24:18,772 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_03-munge_racing.i that has 3 procedures, 188 locations, 1 initial locations, 14 loop locations, and 2 error locations.
[2024-11-14 19:24:18,772 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-14 19:24:18,873 INFO  L143    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-14 19:24:18,936 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:18,937 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-14 19:24:18,937 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-14 19:24:18,939 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-14 19:24:18,941 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-14 19:24:19,034 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 19:24:19,045 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ========
[2024-11-14 19:24:19,054 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;@41d40f8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:19,054 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-14 19:24:19,609 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 19:24:19,614 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:19,614 INFO  L85        PathProgramCache]: Analyzing trace with hash -1417710205, now seen corresponding path program 1 times
[2024-11-14 19:24:19,621 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:19,622 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142982148]
[2024-11-14 19:24:19,622 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:19,622 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:19,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:19,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:19,881 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:19,881 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142982148]
[2024-11-14 19:24:19,882 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142982148] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:19,882 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:19,882 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-14 19:24:19,883 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867878822]
[2024-11-14 19:24:19,883 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:19,889 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-14 19:24:19,889 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:19,908 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-14 19:24:19,908 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-14 19:24:19,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:19,910 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:19,911 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:19,911 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:22,916 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:22,917 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-14 19:24:22,917 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 19:24:22,917 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:22,918 INFO  L85        PathProgramCache]: Analyzing trace with hash -1406059432, now seen corresponding path program 1 times
[2024-11-14 19:24:22,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:22,918 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461436735]
[2024-11-14 19:24:22,918 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:22,918 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:22,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:23,285 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:23,285 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:23,285 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461436735]
[2024-11-14 19:24:23,285 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461436735] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:23,285 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:23,285 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-14 19:24:23,286 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38398463]
[2024-11-14 19:24:23,286 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:23,287 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-14 19:24:23,287 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:23,287 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-14 19:24:23,287 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-14 19:24:23,288 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:23,291 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:23,291 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:23,291 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:23,292 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:23,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:23,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-14 19:24:23,641 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-14 19:24:23,642 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-14 19:24:23,648 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-14 19:24:23,649 INFO  L320   ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/3)
[2024-11-14 19:24:23,661 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:23,662 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 19:24:23,662 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork1 ========
[2024-11-14 19:24:23,663 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;@41d40f8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:23,663 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-14 19:24:23,690 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 19:24:23,691 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:23,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 2146127115, now seen corresponding path program 1 times
[2024-11-14 19:24:23,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:23,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863014245]
[2024-11-14 19:24:23,691 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:23,692 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:23,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:23,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:23,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:23,754 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863014245]
[2024-11-14 19:24:23,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863014245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:23,754 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:23,754 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-14 19:24:23,754 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212373461]
[2024-11-14 19:24:23,754 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:23,755 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-14 19:24:23,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:23,755 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-14 19:24:23,755 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-14 19:24:23,756 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:23,756 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:23,756 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:23,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:26,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:26,509 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-14 19:24:26,509 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 19:24:26,509 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:26,510 INFO  L85        PathProgramCache]: Analyzing trace with hash 1647733462, now seen corresponding path program 1 times
[2024-11-14 19:24:26,510 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:26,510 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898280796]
[2024-11-14 19:24:26,510 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:26,510 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:26,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:26,725 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:26,725 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:26,725 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898280796]
[2024-11-14 19:24:26,725 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898280796] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:26,725 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:26,725 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-14 19:24:26,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850689879]
[2024-11-14 19:24:26,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:26,726 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-14 19:24:26,726 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:26,726 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-14 19:24:26,727 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-14 19:24:26,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:26,727 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:26,727 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:26,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:26,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-14 19:24:28,040 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-14 19:24:28,040 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 19:24:28,040 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:28,040 INFO  L85        PathProgramCache]: Analyzing trace with hash 1697839514, now seen corresponding path program 1 times
[2024-11-14 19:24:28,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:28,041 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069145012]
[2024-11-14 19:24:28,041 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:28,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:28,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:28,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:28,198 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:28,198 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069145012]
[2024-11-14 19:24:28,198 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069145012] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:28,198 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:28,198 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-14 19:24:28,198 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945285165]
[2024-11-14 19:24:28,198 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:28,199 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-14 19:24:28,199 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:28,199 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-14 19:24:28,199 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-14 19:24:28,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,199 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:28,200 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:28,200 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,200 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-11-14 19:24:28,200 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-14 19:24:28,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-14 19:24:28,318 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-14 19:24:28,318 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-14 19:24:28,319 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-14 19:24:28,320 INFO  L320   ceAbstractionStarter]: Result for error location t1_funThread1of1ForFork1 was SAFE (2/3)
[2024-11-14 19:24:28,325 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:28,326 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 19:24:28,327 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-14 19:24:28,328 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;@41d40f8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:28,328 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-14 19:24:28,336 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-14 19:24:28,337 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:28,337 INFO  L85        PathProgramCache]: Analyzing trace with hash -1214875980, now seen corresponding path program 1 times
[2024-11-14 19:24:28,337 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:28,337 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13245570]
[2024-11-14 19:24:28,337 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:28,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:28,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:28,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:28,378 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:28,378 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13245570]
[2024-11-14 19:24:28,378 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13245570] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:28,378 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:28,378 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-14 19:24:28,378 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442898457]
[2024-11-14 19:24:28,378 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:28,378 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-14 19:24:28,379 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:28,379 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-14 19:24:28,380 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-14 19:24:28,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,380 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:28,380 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:28,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:28,390 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-14 19:24:28,390 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-14 19:24:28,390 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:28,390 INFO  L85        PathProgramCache]: Analyzing trace with hash -1302614384, now seen corresponding path program 1 times
[2024-11-14 19:24:28,390 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:28,391 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548429548]
[2024-11-14 19:24:28,391 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:28,391 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:28,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 19:24:28,417 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-14 19:24:28,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 19:24:28,467 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-14 19:24:28,467 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-14 19:24:28,467 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining)
[2024-11-14 19:24:28,467 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-11-14 19:24:28,468 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-14 19:24:28,470 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-14 19:24:28,471 INFO  L320   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (3/3)
[2024-11-14 19:24:28,472 WARN  L247   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-14 19:24:28,472 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-14 19:24:28,533 INFO  L143    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2024-11-14 19:24:28,541 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:28,542 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 19:24:28,542 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-14 19:24:28,542 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;@41d40f8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:28,542 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-14 19:24:29,047 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-14 19:24:29,047 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:29,047 INFO  L85        PathProgramCache]: Analyzing trace with hash 938801836, now seen corresponding path program 1 times
[2024-11-14 19:24:29,047 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:29,048 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948227764]
[2024-11-14 19:24:29,048 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:29,048 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:29,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:29,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:29,086 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:29,086 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948227764]
[2024-11-14 19:24:29,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948227764] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:29,087 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:29,087 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-14 19:24:29,087 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693473866]
[2024-11-14 19:24:29,087 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:29,088 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-14 19:24:29,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:29,090 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-14 19:24:29,090 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-14 19:24:29,090 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:29,090 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:29,090 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:29,091 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:29,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:29,317 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-14 19:24:29,318 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-14 19:24:29,318 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:29,318 INFO  L85        PathProgramCache]: Analyzing trace with hash 870518551, now seen corresponding path program 1 times
[2024-11-14 19:24:29,318 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:29,318 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126317344]
[2024-11-14 19:24:29,318 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:29,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:29,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:29,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:29,645 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:29,645 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126317344]
[2024-11-14 19:24:29,645 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126317344] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:29,645 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:29,645 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-14 19:24:29,645 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983873848]
[2024-11-14 19:24:29,645 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:29,646 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-14 19:24:29,646 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:29,646 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-14 19:24:29,646 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-14 19:24:29,646 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:29,646 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:29,647 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:29,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:29,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:29,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:29,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-14 19:24:29,774 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-14 19:24:29,774 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-14 19:24:29,774 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:29,774 INFO  L85        PathProgramCache]: Analyzing trace with hash 2087463165, now seen corresponding path program 1 times
[2024-11-14 19:24:29,774 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:29,774 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454604434]
[2024-11-14 19:24:29,775 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:29,775 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:29,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 19:24:29,799 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-14 19:24:29,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 19:24:29,833 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-14 19:24:29,833 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-14 19:24:29,833 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining)
[2024-11-14 19:24:29,833 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-11-14 19:24:29,834 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-14 19:24:29,836 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-14 19:24:29,837 INFO  L320   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (1/5)
[2024-11-14 19:24:29,837 WARN  L247   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-14 19:24:29,837 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-14 19:24:29,893 INFO  L143    ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions.
[2024-11-14 19:24:29,898 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:29,900 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 19:24:29,900 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of3ForFork1 ========
[2024-11-14 19:24:29,901 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;@41d40f8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 19:24:29,901 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-14 19:24:36,894 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 19:24:36,895 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 19:24:36,895 INFO  L85        PathProgramCache]: Analyzing trace with hash -993030453, now seen corresponding path program 1 times
[2024-11-14 19:24:36,895 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 19:24:36,895 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881458177]
[2024-11-14 19:24:36,895 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 19:24:36,895 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 19:24:36,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 19:24:36,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 19:24:36,958 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 19:24:36,958 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881458177]
[2024-11-14 19:24:36,958 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881458177] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 19:24:36,958 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 19:24:36,958 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-14 19:24:36,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900380247]
[2024-11-14 19:24:36,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 19:24:36,959 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-14 19:24:36,959 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 19:24:36,960 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-14 19:24:36,960 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-14 19:24:36,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 19:24:36,960 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 19:24:36,960 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 19:24:36,960 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.