/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_82-list_racefree.i


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


This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277
[2024-11-14 12:53:36,075 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-14 12:53:36,156 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2024-11-14 12:53:36,161 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-14 12:53:36,161 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-14 12:53:36,183 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-14 12:53:36,184 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-14 12:53:36,184 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-14 12:53:36,184 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-14 12:53:36,184 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-14 12:53:36,185 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-14 12:53:36,185 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-14 12:53:36,185 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-14 12:53:36,186 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-14 12:53:36,186 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-14 12:53:36,186 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-14 12:53:36,187 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT
[2024-11-14 12:53:36,480 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-14 12:53:36,489 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-14 12:53:36,493 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-14 12:53:36,494 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-14 12:53:36,495 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-14 12:53:36,496 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_82-list_racefree.i
[2024-11-14 12:53:37,958 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-14 12:53:38,307 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-14 12:53:38,308 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_82-list_racefree.i
[2024-11-14 12:53:38,330 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7ab7f9279/c24c0eac1e6d461089591f3fac6a9c03/FLAG40a558dcf
[2024-11-14 12:53:38,353 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7ab7f9279/c24c0eac1e6d461089591f3fac6a9c03
[2024-11-14 12:53:38,356 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-14 12:53:38,358 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-14 12:53:38,361 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-14 12:53:38,361 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-14 12:53:38,365 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-14 12:53:38,366 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:38,367 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e10a56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38, skipping insertion in model container
[2024-11-14 12:53:38,367 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:38,409 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-14 12:53:38,758 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_82-list_racefree.i[47038,47051]
[2024-11-14 12:53:38,797 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-14 12:53:38,823 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-14 12:53:38,868 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_82-list_racefree.i[47038,47051]
[2024-11-14 12:53:38,897 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-14 12:53:38,958 INFO  L204         MainTranslator]: Completed translation
[2024-11-14 12:53:38,959 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38 WrapperNode
[2024-11-14 12:53:38,959 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-14 12:53:38,961 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-14 12:53:38,961 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-14 12:53:38,961 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-14 12:53:38,967 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:38,991 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,025 INFO  L138                Inliner]: procedures = 280, calls = 76, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 221
[2024-11-14 12:53:39,026 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-14 12:53:39,026 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-14 12:53:39,026 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-14 12:53:39,026 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-14 12:53:39,035 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,035 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,042 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,043 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,059 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,067 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,068 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,069 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,076 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-14 12:53:39,077 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-14 12:53:39,077 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-14 12:53:39,077 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-14 12:53:39,078 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (1/1) ...
[2024-11-14 12:53:39,090 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-14 12:53:39,103 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-14 12:53:39,117 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-14 12:53:39,124 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-14 12:53:39,144 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure t1_fun
[2024-11-14 12:53:39,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1_fun
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure t2_fun
[2024-11-14 12:53:39,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2_fun
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-11-14 12:53:39,145 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-14 12:53:39,146 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-14 12:53:39,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-14 12:53:39,151 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-14 12:53:39,310 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-14 12:53:39,312 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-14 12:53:39,734 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-14 12:53:39,734 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-14 12:53:39,774 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-14 12:53:39,774 INFO  L316             CfgBuilder]: Removed 15 assume(true) statements.
[2024-11-14 12:53:39,775 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:53:39 BoogieIcfgContainer
[2024-11-14 12:53:39,775 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-14 12:53:39,777 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-14 12:53:39,777 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-14 12:53:39,781 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-14 12:53:39,782 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 12:53:38" (1/3) ...
[2024-11-14 12:53:39,783 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367488e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:53:39, skipping insertion in model container
[2024-11-14 12:53:39,783 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:53:38" (2/3) ...
[2024-11-14 12:53:39,784 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367488e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:53:39, skipping insertion in model container
[2024-11-14 12:53:39,784 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:53:39" (3/3) ...
[2024-11-14 12:53:39,786 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_82-list_racefree.i
[2024-11-14 12:53:39,801 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-14 12:53:39,802 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_82-list_racefree.i that has 3 procedures, 207 locations, 1 initial locations, 10 loop locations, and 1 error locations.
[2024-11-14 12:53:39,803 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-14 12:53:39,911 INFO  L143    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-14 12:53:39,974 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:39,975 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-14 12:53:39,976 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-14 12:53:39,979 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-14 12:53:39,980 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-14 12:53:40,091 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 12:53:40,104 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ========
[2024-11-14 12:53:40,112 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;@b6d6609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:40,113 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-14 12:53:41,049 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 12:53:41,056 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 12:53:41,057 INFO  L85        PathProgramCache]: Analyzing trace with hash 216611005, now seen corresponding path program 1 times
[2024-11-14 12:53:41,063 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 12:53:41,066 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694444922]
[2024-11-14 12:53:41,066 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 12:53:41,067 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 12:53:41,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 12:53:41,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 12:53:41,443 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 12:53:41,443 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694444922]
[2024-11-14 12:53:41,444 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694444922] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 12:53:41,444 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 12:53:41,444 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-14 12:53:41,445 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238205575]
[2024-11-14 12:53:41,446 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 12:53:41,455 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-14 12:53:41,455 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 12:53:41,481 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-14 12:53:41,481 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-14 12:53:41,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:53:41,483 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 12:53:41,485 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 12:53:41,485 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:53:41,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:53:41,618 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-14 12:53:41,619 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 12:53:41,619 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 12:53:41,619 INFO  L85        PathProgramCache]: Analyzing trace with hash -1147027860, now seen corresponding path program 1 times
[2024-11-14 12:53:41,619 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 12:53:41,620 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176639561]
[2024-11-14 12:53:41,620 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 12:53:41,620 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 12:53:41,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 12:53:42,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 12:53:42,099 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 12:53:42,099 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176639561]
[2024-11-14 12:53:42,099 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176639561] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 12:53:42,099 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 12:53:42,099 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-14 12:53:42,099 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832554720]
[2024-11-14 12:53:42,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 12:53:42,100 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-14 12:53:42,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 12:53:42,102 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-14 12:53:42,102 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-14 12:53:42,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:53:42,105 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 12:53:42,106 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 12:53:42,106 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:53:42,106 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:53:43,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:53:43,665 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-14 12:53:43,667 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-14 12:53:43,667 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-14 12:53:43,673 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-14 12:53:43,674 INFO  L320   ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/2)
[2024-11-14 12:53:43,688 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:43,689 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 12:53:43,689 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-14 12:53:43,689 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;@b6d6609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:43,689 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-14 12:53:43,719 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-14 12:53:43,719 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 12:53:43,719 INFO  L85        PathProgramCache]: Analyzing trace with hash -74079617, now seen corresponding path program 1 times
[2024-11-14 12:53:43,719 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 12:53:43,720 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132205212]
[2024-11-14 12:53:43,720 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 12:53:43,720 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 12:53:43,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 12:53:43,781 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-14 12:53:43,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 12:53:43,867 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-14 12:53:43,867 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-14 12:53:43,868 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining)
[2024-11-14 12:53:43,868 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-11-14 12:53:43,868 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-14 12:53:43,869 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2024-11-14 12:53:43,869 INFO  L320   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2)
[2024-11-14 12:53:43,871 WARN  L247   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-14 12:53:43,871 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-14 12:53:43,946 INFO  L143    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2024-11-14 12:53:43,954 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:43,957 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 12:53:43,957 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-14 12:53:43,958 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;@b6d6609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:43,958 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-14 12:53:45,443 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-14 12:53:45,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 12:53:45,444 INFO  L85        PathProgramCache]: Analyzing trace with hash 1635243287, now seen corresponding path program 1 times
[2024-11-14 12:53:45,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 12:53:45,444 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350341662]
[2024-11-14 12:53:45,444 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 12:53:45,444 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 12:53:45,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 12:53:45,529 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-14 12:53:45,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-14 12:53:45,647 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-14 12:53:45,648 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-14 12:53:45,648 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining)
[2024-11-14 12:53:45,648 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-11-14 12:53:45,648 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-14 12:53:45,650 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2024-11-14 12:53:45,650 INFO  L320   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (1/3)
[2024-11-14 12:53:45,651 WARN  L247   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-14 12:53:45,651 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-14 12:53:45,713 INFO  L143    ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions.
[2024-11-14 12:53:45,718 INFO  L123   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:45,719 INFO  L185   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-14 12:53:45,719 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of3ForFork0 ========
[2024-11-14 12:53:45,720 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;@b6d6609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-14 12:53:45,720 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-14 12:54:07,354 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-14 12:54:07,355 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-14 12:54:07,355 INFO  L85        PathProgramCache]: Analyzing trace with hash 513712515, now seen corresponding path program 1 times
[2024-11-14 12:54:07,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-14 12:54:07,355 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718551597]
[2024-11-14 12:54:07,355 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-14 12:54:07,355 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-14 12:54:07,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-14 12:54:07,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-14 12:54:07,503 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-14 12:54:07,503 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718551597]
[2024-11-14 12:54:07,503 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718551597] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-14 12:54:07,503 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-14 12:54:07,503 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-14 12:54:07,503 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600789545]
[2024-11-14 12:54:07,504 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-14 12:54:07,504 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-14 12:54:07,504 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-14 12:54:07,505 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-14 12:54:07,505 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-14 12:54:07,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-14 12:54:07,506 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-14 12:54:07,506 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 125.0) internal successors, (250), 2 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-14 12:54:07,506 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.