/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-nzb-file-subst.wvr.c


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m
[2024-04-04 02:39:29,606 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-04 02:39:29,672 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-04 02:39:29,677 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-04 02:39:29,677 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-04 02:39:29,698 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-04 02:39:29,699 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-04 02:39:29,699 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-04 02:39:29,700 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-04 02:39:29,702 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-04 02:39:29,703 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-04 02:39:29,703 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-04 02:39:29,703 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-04 02:39:29,704 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-04 02:39:29,705 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-04 02:39:29,705 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-04 02:39:29,705 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-04 02:39:29,705 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-04 02:39:29,705 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-04 02:39:29,705 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-04 02:39:29,705 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-04 02:39:29,706 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-04 02:39:29,706 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-04 02:39:29,706 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-04 02:39:29,706 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-04 02:39:29,706 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-04 02:39:29,707 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-04 02:39:29,707 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-04 02:39:29,707 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-04 02:39:29,707 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 02:39:29,708 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-04 02:39:29,708 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-04 02:39:29,708 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-04 02:39:29,708 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-04 02:39:29,708 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-04 02:39:29,709 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-04 02:39:29,709 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-04 02:39:29,709 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-04 02:39:29,709 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-04 02:39:29,709 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
[2024-04-04 02:39:29,911 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-04 02:39:29,926 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-04 02:39:29,927 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-04 02:39:29,928 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-04-04 02:39:29,930 INFO  L274        PluginConnector]: CDTParser initialized
[2024-04-04 02:39:29,930 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-subst.wvr.c
[2024-04-04 02:39:30,891 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-04-04 02:39:31,057 INFO  L384              CDTParser]: Found 1 translation units.
[2024-04-04 02:39:31,058 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-subst.wvr.c
[2024-04-04 02:39:31,068 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/472d39361/40e055bae4b94a00820799d42887f3ee/FLAGfc208005d
[2024-04-04 02:39:31,078 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/472d39361/40e055bae4b94a00820799d42887f3ee
[2024-04-04 02:39:31,079 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-04 02:39:31,080 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-04-04 02:39:31,081 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-04-04 02:39:31,081 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-04-04 02:39:31,084 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-04-04 02:39:31,085 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,085 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7501217a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31, skipping insertion in model container
[2024-04-04 02:39:31,086 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,108 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-04-04 02:39:31,242 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-subst.wvr.c[6501,6514]
[2024-04-04 02:39:31,249 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 02:39:31,258 INFO  L202         MainTranslator]: Completed pre-run
[2024-04-04 02:39:31,350 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-subst.wvr.c[6501,6514]
[2024-04-04 02:39:31,353 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 02:39:31,366 INFO  L206         MainTranslator]: Completed translation
[2024-04-04 02:39:31,366 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31 WrapperNode
[2024-04-04 02:39:31,366 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-04-04 02:39:31,368 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-04 02:39:31,368 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-04 02:39:31,368 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-04 02:39:31,376 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,384 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,419 INFO  L138                Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 28, calls inlined = 42, statements flattened = 603
[2024-04-04 02:39:31,420 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-04 02:39:31,420 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-04 02:39:31,420 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-04 02:39:31,420 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-04 02:39:31,437 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,438 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,442 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,442 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,453 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,457 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,459 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,461 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,464 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-04 02:39:31,465 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-04 02:39:31,465 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-04 02:39:31,465 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-04 02:39:31,465 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (1/1) ...
[2024-04-04 02:39:31,480 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 02:39:31,502 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:39:31,517 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-04-04 02:39:31,523 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-04-04 02:39:31,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-04-04 02:39:31,554 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-04-04 02:39:31,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-04-04 02:39:31,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-04-04 02:39:31,554 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-04 02:39:31,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-04 02:39:31,554 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-04 02:39:31,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-04 02:39:31,554 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-04-04 02:39:31,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-04 02:39:31,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-04-04 02:39:31,555 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-04-04 02:39:31,555 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-04 02:39:31,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-04 02:39:31,556 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-04-04 02:39:31,558 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-04 02:39:31,688 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-04 02:39:31,690 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-04 02:39:32,343 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-04 02:39:32,370 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-04 02:39:32,370 INFO  L309             CfgBuilder]: Removed 6 assume(true) statements.
[2024-04-04 02:39:32,372 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:39:32 BoogieIcfgContainer
[2024-04-04 02:39:32,372 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-04 02:39:32,374 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-04 02:39:32,374 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-04 02:39:32,376 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-04 02:39:32,376 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 02:39:31" (1/3) ...
[2024-04-04 02:39:32,376 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3ca76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:39:32, skipping insertion in model container
[2024-04-04 02:39:32,377 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:39:31" (2/3) ...
[2024-04-04 02:39:32,377 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3ca76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:39:32, skipping insertion in model container
[2024-04-04 02:39:32,377 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:39:32" (3/3) ...
[2024-04-04 02:39:32,378 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c
[2024-04-04 02:39:32,383 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-04 02:39:32,390 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-04 02:39:32,391 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-04 02:39:32,391 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-04 02:39:32,524 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-04-04 02:39:32,575 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-04 02:39:32,576 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-04 02:39:32,576 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:39:32,577 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-04-04 02:39:32,578 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-04-04 02:39:32,611 INFO  L184   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-04 02:39:32,621 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:39:32,623 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-04 02:39:32,628 INFO  L357      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, mHoare=true, 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;@35b55bf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123
[2024-04-04 02:39:32,628 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-04-04 02:39:32,948 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:39:32,950 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:39:32,951 INFO  L85        PathProgramCache]: Analyzing trace with hash 337883153, now seen corresponding path program 1 times
[2024-04-04 02:39:32,957 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:39:32,958 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032049888]
[2024-04-04 02:39:32,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:39:32,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:39:33,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:39:33,330 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-04 02:39:33,331 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:39:33,331 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032049888]
[2024-04-04 02:39:33,332 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032049888] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:39:33,332 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 02:39:33,332 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-04 02:39:33,333 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464961012]
[2024-04-04 02:39:33,333 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:39:33,340 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-04-04 02:39:33,340 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:39:33,363 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-04-04 02:39:33,363 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-04-04 02:39:33,364 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:39:33,365 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:39:33,366 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 191.0) internal successors, (382), 2 states have internal predecessors, (382), 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)
[2024-04-04 02:39:33,366 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:06,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:06,966 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-04 02:40:06,966 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:40:06,966 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:40:06,967 INFO  L85        PathProgramCache]: Analyzing trace with hash 314716850, now seen corresponding path program 1 times
[2024-04-04 02:40:06,967 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:40:06,967 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101787892]
[2024-04-04 02:40:06,967 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:40:06,967 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:40:07,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:40:07,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-04 02:40:07,305 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:40:07,306 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101787892]
[2024-04-04 02:40:07,306 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101787892] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:40:07,306 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 02:40:07,306 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-04-04 02:40:07,306 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455779409]
[2024-04-04 02:40:07,306 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:40:07,308 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-04-04 02:40:07,308 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:40:07,310 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-04-04 02:40:07,311 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-04-04 02:40:07,311 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:07,312 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:40:07,313 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 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)
[2024-04-04 02:40:07,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:07,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:33,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:33,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:40:33,416 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-04 02:40:33,416 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:40:33,416 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:40:33,416 INFO  L85        PathProgramCache]: Analyzing trace with hash -301596674, now seen corresponding path program 1 times
[2024-04-04 02:40:33,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:40:33,418 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260288107]
[2024-04-04 02:40:33,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:40:33,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:40:33,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:40:33,669 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-04 02:40:33,669 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:40:33,669 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260288107]
[2024-04-04 02:40:33,669 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260288107] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 02:40:33,669 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517547709]
[2024-04-04 02:40:33,669 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:40:33,670 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:40:33,670 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:40:33,714 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 02:40:33,715 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-04 02:40:33,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:40:33,898 INFO  L262         TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-04-04 02:40:33,913 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 02:40:34,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-04 02:40:34,004 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 02:40:34,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-04 02:40:34,081 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517547709] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 02:40:34,081 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 02:40:34,081 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2024-04-04 02:40:34,081 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079633411]
[2024-04-04 02:40:34,081 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 02:40:34,085 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-04-04 02:40:34,085 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:40:34,087 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-04-04 02:40:34,087 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2024-04-04 02:40:34,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:34,087 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:40:34,088 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 28.066666666666666) internal successors, (421), 15 states have internal predecessors, (421), 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)
[2024-04-04 02:40:34,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:40:34,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:40:34,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:00,566 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:00,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:41:00,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:41:00,575 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-04-04 02:41:00,775 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-04-04 02:41:00,775 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:41:00,776 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:41:00,776 INFO  L85        PathProgramCache]: Analyzing trace with hash -1239321666, now seen corresponding path program 2 times
[2024-04-04 02:41:00,776 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:41:00,777 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047554120]
[2024-04-04 02:41:00,777 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:41:00,777 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:41:00,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:41:01,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-04-04 02:41:01,096 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:41:01,097 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047554120]
[2024-04-04 02:41:01,097 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047554120] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 02:41:01,097 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646730607]
[2024-04-04 02:41:01,099 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-04 02:41:01,099 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:41:01,099 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:41:01,100 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 02:41:01,103 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-04 02:41:01,282 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-04-04 02:41:01,282 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 02:41:01,284 INFO  L262         TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-04-04 02:41:01,288 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 02:41:01,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-04-04 02:41:01,412 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-04 02:41:01,412 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646730607] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:41:01,413 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-04 02:41:01,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15
[2024-04-04 02:41:01,413 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467139629]
[2024-04-04 02:41:01,413 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:41:01,416 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-04-04 02:41:01,416 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:41:01,416 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-04-04 02:41:01,417 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210
[2024-04-04 02:41:01,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:01,417 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:41:01,417 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 64.0) internal successors, (384), 6 states have internal predecessors, (384), 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)
[2024-04-04 02:41:01,417 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:01,417 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:41:01,417 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:41:01,417 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:33,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:33,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:41:33,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:41:33,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:41:33,815 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-04-04 02:41:34,008 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:41:34,009 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:41:34,010 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:41:34,010 INFO  L85        PathProgramCache]: Analyzing trace with hash -997905675, now seen corresponding path program 1 times
[2024-04-04 02:41:34,010 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:41:34,010 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526404458]
[2024-04-04 02:41:34,010 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:41:34,010 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:41:34,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:41:34,484 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-04-04 02:41:34,484 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:41:34,485 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526404458]
[2024-04-04 02:41:34,485 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526404458] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 02:41:34,485 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516543681]
[2024-04-04 02:41:34,485 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:41:34,485 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:41:34,485 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:41:34,505 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 02:41:34,507 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-04 02:41:34,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:41:34,683 INFO  L262         TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-04-04 02:41:34,686 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 02:41:34,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-04-04 02:41:34,826 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 02:41:34,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-04-04 02:41:34,934 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [516543681] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 02:41:34,934 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 02:41:34,934 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2024-04-04 02:41:34,934 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585073681]
[2024-04-04 02:41:34,934 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 02:41:34,935 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-04-04 02:41:34,935 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:41:34,936 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-04-04 02:41:34,936 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462
[2024-04-04 02:41:34,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:34,936 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:41:34,937 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 19.40909090909091) internal successors, (427), 22 states have internal predecessors, (427), 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)
[2024-04-04 02:41:34,937 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:41:34,937 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:41:34,937 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:41:34,937 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:41:34,937 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:42:07,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:42:07,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:42:07,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:42:07,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:42:07,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-04-04 02:42:07,812 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-04-04 02:42:08,007 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:42:08,011 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:42:08,011 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:42:08,011 INFO  L85        PathProgramCache]: Analyzing trace with hash 796593845, now seen corresponding path program 2 times
[2024-04-04 02:42:08,011 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:42:08,011 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419758472]
[2024-04-04 02:42:08,011 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:42:08,012 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:42:08,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:42:08,400 INFO  L134       CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked.
[2024-04-04 02:42:08,400 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:42:08,400 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419758472]
[2024-04-04 02:42:08,401 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419758472] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:42:08,401 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 02:42:08,401 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-04 02:42:08,401 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560518125]
[2024-04-04 02:42:08,401 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:42:08,401 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-04 02:42:08,401 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:42:08,402 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-04 02:42:08,402 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-04 02:42:08,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:42:08,402 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:42:08,402 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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)
[2024-04-04 02:42:08,403 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:42:08,403 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:42:08,403 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:42:08,403 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:42:08,403 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-04-04 02:42:08,403 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:43:11,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:43:11,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:43:11,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:43:11,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:43:11,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-04-04 02:43:11,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-04 02:43:11,748 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-04-04 02:43:11,748 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:43:11,748 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:43:11,748 INFO  L85        PathProgramCache]: Analyzing trace with hash 1887305867, now seen corresponding path program 1 times
[2024-04-04 02:43:11,748 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:43:11,748 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662000865]
[2024-04-04 02:43:11,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:43:11,749 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:43:11,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:43:12,832 INFO  L134       CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked.
[2024-04-04 02:43:12,833 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:43:12,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662000865]
[2024-04-04 02:43:12,835 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662000865] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:43:12,835 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 02:43:12,835 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-04-04 02:43:12,835 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795915751]
[2024-04-04 02:43:12,839 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:43:12,840 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-04-04 02:43:12,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:43:12,841 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-04-04 02:43:12,841 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2024-04-04 02:43:12,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:43:12,841 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:43:12,841 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 40.18181818181818) internal successors, (442), 11 states have internal predecessors, (442), 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)
[2024-04-04 02:43:12,841 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:43:12,841 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:43:12,841 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:43:12,842 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:43:12,842 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-04-04 02:43:12,842 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-04 02:43:12,842 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:44:55,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:44:55,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:44:55,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:44:55,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:44:55,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-04-04 02:44:55,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-04 02:44:55,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2024-04-04 02:44:55,449 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-04-04 02:44:55,450 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:44:55,450 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:44:55,450 INFO  L85        PathProgramCache]: Analyzing trace with hash -1130320831, now seen corresponding path program 1 times
[2024-04-04 02:44:55,450 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:44:55,450 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728080193]
[2024-04-04 02:44:55,450 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:44:55,450 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:44:55,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:44:55,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked.
[2024-04-04 02:44:55,664 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:44:55,664 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728080193]
[2024-04-04 02:44:55,664 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728080193] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:44:55,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 02:44:55,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-04-04 02:44:55,665 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780499428]
[2024-04-04 02:44:55,665 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:44:55,666 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-04-04 02:44:55,666 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:44:55,666 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-04-04 02:44:55,667 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-04-04 02:44:55,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:44:55,668 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:44:55,668 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 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)
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2024-04-04 02:44:55,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.