/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-27 06:41:31,509 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-27 06:41:31,572 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-27 06:41:31,576 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-27 06:41:31,576 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-27 06:41:31,599 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-27 06:41:31,600 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-27 06:41:31,601 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-27 06:41:31,601 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-27 06:41:31,604 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-27 06:41:31,605 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-27 06:41:31,605 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-27 06:41:31,605 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-27 06:41:31,606 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-27 06:41:31,607 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-27 06:41:31,607 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-27 06:41:31,607 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-27 06:41:31,607 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-27 06:41:31,607 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-27 06:41:31,607 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-27 06:41:31,608 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-27 06:41:31,608 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-27 06:41:31,608 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-27 06:41:31,608 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-27 06:41:31,608 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-27 06:41:31,609 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-27 06:41:31,609 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-27 06:41:31,609 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-27 06:41:31,609 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-27 06:41:31,609 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 06:41:31,610 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-27 06:41:31,611 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-27 06:41:31,611 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-27 06:41:31,611 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-27 06:41:31,611 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-27 06:41:31,611 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-27 06:41:31,611 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-27 06:41:31,611 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-27 06:41:31,612 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-27 06:41:31,612 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213
[2024-04-27 06:41:31,795 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-27 06:41:31,810 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-27 06:41:31,812 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-27 06:41:31,812 INFO  L270        PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-27 06:41:31,813 INFO  L274        PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-27 06:41:31,814 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl
[2024-04-27 06:41:31,814 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl'
[2024-04-27 06:41:31,841 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-27 06:41:31,842 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-27 06:41:31,843 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-27 06:41:31,843 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-27 06:41:31,843 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-27 06:41:31,852 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,904 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,913 INFO  L138                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-27 06:41:31,914 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-27 06:41:31,916 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-27 06:41:31,916 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-27 06:41:31,916 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-27 06:41:31,923 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,923 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,932 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,932 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,938 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,940 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,941 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,942 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,943 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-27 06:41:31,943 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-27 06:41:31,943 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-27 06:41:31,944 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-27 06:41:31,944 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/1) ...
[2024-04-27 06:41:31,961 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 06:41:31,968 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:32,008 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)
[2024-04-27 06:41:32,023 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
[2024-04-27 06:41:32,051 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-27 06:41:32,051 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-27 06:41:32,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-27 06:41:32,052 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-27 06:41:32,052 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-27 06:41:32,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-27 06:41:32,052 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-27 06:41:32,052 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-27 06:41:32,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-27 06:41:32,053 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2024-04-27 06:41:32,053 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-04-27 06:41:32,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-27 06:41:32,053 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-27 06:41:32,134 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-27 06:41:32,136 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-27 06:41:32,281 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-27 06:41:32,373 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-27 06:41:32,374 INFO  L309             CfgBuilder]: Removed 3 assume(true) statements.
[2024-04-27 06:41:32,375 INFO  L201        PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:41:32 BoogieIcfgContainer
[2024-04-27 06:41:32,375 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-27 06:41:32,392 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-27 06:41:32,392 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-27 06:41:32,397 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-27 06:41:32,397 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 06:41:31" (1/2) ...
[2024-04-27 06:41:32,398 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a6e783 and model type name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 06:41:32, skipping insertion in model container
[2024-04-27 06:41:32,398 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:41:32" (2/2) ...
[2024-04-27 06:41:32,399 INFO  L112   eAbstractionObserver]: Analyzing ICFG name-comparator-subst.wvr.bpl
[2024-04-27 06:41:32,406 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-27 06:41:32,414 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-27 06:41:32,414 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-27 06:41:32,414 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-27 06:41:32,479 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-04-27 06:41:32,508 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-27 06:41:32,509 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-27 06:41:32,509 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:32,511 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)
[2024-04-27 06:41:32,515 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
[2024-04-27 06:41:32,547 INFO  L187   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-27 06:41:32,560 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:32,561 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-27 06:41:32,567 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;@258063c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false
[2024-04-27 06:41:32,567 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-04-27 06:41:32,597 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:32,598 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:32,598 INFO  L85        PathProgramCache]: Analyzing trace with hash -944682681, now seen corresponding path program 1 times
[2024-04-27 06:41:32,605 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:32,605 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335833394]
[2024-04-27 06:41:32,605 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:32,606 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:32,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:33,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:33,164 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:33,166 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335833394]
[2024-04-27 06:41:33,168 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335833394] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 06:41:33,168 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 06:41:33,168 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-04-27 06:41:33,169 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957294723]
[2024-04-27 06:41:33,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 06:41:33,174 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-04-27 06:41:33,174 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:33,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-04-27 06:41:33,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-04-27 06:41:33,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:33,221 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:33,230 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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)
[2024-04-27 06:41:33,230 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:33,458 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:33,458 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-27 06:41:33,458 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:33,461 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:33,461 INFO  L85        PathProgramCache]: Analyzing trace with hash 749825676, now seen corresponding path program 1 times
[2024-04-27 06:41:33,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:33,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151647936]
[2024-04-27 06:41:33,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:33,462 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:33,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:33,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:33,639 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:33,640 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151647936]
[2024-04-27 06:41:33,640 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151647936] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 06:41:33,640 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 06:41:33,640 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-04-27 06:41:33,640 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674120719]
[2024-04-27 06:41:33,640 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 06:41:33,642 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-04-27 06:41:33,642 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:33,650 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-04-27 06:41:33,652 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-04-27 06:41:33,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:33,652 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:33,652 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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)
[2024-04-27 06:41:33,653 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:33,653 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:33,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:33,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:33,815 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-27 06:41:33,815 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:33,816 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:33,816 INFO  L85        PathProgramCache]: Analyzing trace with hash 2105265290, now seen corresponding path program 1 times
[2024-04-27 06:41:33,816 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:33,816 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44362978]
[2024-04-27 06:41:33,816 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:33,816 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:33,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:34,346 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:34,346 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:34,346 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44362978]
[2024-04-27 06:41:34,347 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44362978] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:34,347 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287534118]
[2024-04-27 06:41:34,347 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:34,347 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:34,348 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:34,350 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)
[2024-04-27 06:41:34,374 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-27 06:41:34,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:34,419 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 32 conjunts are in the unsatisfiable core
[2024-04-27 06:41:34,424 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:34,906 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 149
[2024-04-27 06:41:35,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:35,181 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:36,656 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:36,657 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 284 treesize of output 256
[2024-04-27 06:41:37,317 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:37,317 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [287534118] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:37,317 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:37,317 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25
[2024-04-27 06:41:37,317 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116547979]
[2024-04-27 06:41:37,318 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:37,318 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-04-27 06:41:37,318 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:37,323 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-04-27 06:41:37,323 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600
[2024-04-27 06:41:37,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:37,323 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:37,323 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 2.0) internal successors, (50), 25 states have internal predecessors, (50), 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)
[2024-04-27 06:41:37,323 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:37,323 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:37,324 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:38,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:38,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:38,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:38,691 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:38,880 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
[2024-04-27 06:41:38,880 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:38,881 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:38,881 INFO  L85        PathProgramCache]: Analyzing trace with hash -357397747, now seen corresponding path program 2 times
[2024-04-27 06:41:38,881 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:38,882 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581480870]
[2024-04-27 06:41:38,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:38,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:38,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:39,280 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:39,281 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:39,281 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581480870]
[2024-04-27 06:41:39,281 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581480870] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:39,281 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715499196]
[2024-04-27 06:41:39,281 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-27 06:41:39,281 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:39,282 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:39,294 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)
[2024-04-27 06:41:39,295 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-27 06:41:39,337 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-27 06:41:39,337 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:39,338 INFO  L262         TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 36 conjunts are in the unsatisfiable core
[2024-04-27 06:41:39,342 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:39,658 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 108
[2024-04-27 06:41:39,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:39,805 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:40,763 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:40,764 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 269 treesize of output 243
[2024-04-27 06:41:41,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:41,236 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [715499196] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:41,237 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:41,237 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30
[2024-04-27 06:41:41,237 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170306886]
[2024-04-27 06:41:41,261 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:41,262 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-04-27 06:41:41,262 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:41,268 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-04-27 06:41:41,268 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870
[2024-04-27 06:41:41,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:41,269 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:41,269 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 1.8666666666666667) internal successors, (56), 30 states have internal predecessors, (56), 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)
[2024-04-27 06:41:41,269 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:41,269 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:41,269 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:41,269 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:42,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:42,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:42,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:42,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:42,275 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-04-27 06:41:42,472 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
[2024-04-27 06:41:42,473 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:42,473 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:42,473 INFO  L85        PathProgramCache]: Analyzing trace with hash 1775789446, now seen corresponding path program 3 times
[2024-04-27 06:41:42,473 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:42,474 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794392301]
[2024-04-27 06:41:42,474 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:42,474 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:42,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:42,688 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:42,688 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:42,688 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794392301]
[2024-04-27 06:41:42,688 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794392301] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:42,688 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480964855]
[2024-04-27 06:41:42,689 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-27 06:41:42,689 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:42,689 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:42,705 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)
[2024-04-27 06:41:42,754 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-27 06:41:42,788 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-27 06:41:42,788 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:42,789 INFO  L262         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 28 conjunts are in the unsatisfiable core
[2024-04-27 06:41:42,790 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:42,958 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56
[2024-04-27 06:41:43,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:43,042 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:43,091 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:43,091 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 45
[2024-04-27 06:41:43,241 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:43,242 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480964855] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:43,242 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:43,242 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24
[2024-04-27 06:41:43,242 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628887340]
[2024-04-27 06:41:43,242 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:43,242 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-04-27 06:41:43,242 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:43,247 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-04-27 06:41:43,247 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552
[2024-04-27 06:41:43,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:43,247 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:43,247 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 24 states have internal predecessors, (46), 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)
[2024-04-27 06:41:43,247 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:43,247 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:43,247 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:43,248 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:43,248 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:43,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:43,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:43,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:43,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:43,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:43,822 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-04-27 06:41:44,006 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
[2024-04-27 06:41:44,006 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:44,006 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:44,006 INFO  L85        PathProgramCache]: Analyzing trace with hash -449596208, now seen corresponding path program 4 times
[2024-04-27 06:41:44,007 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:44,007 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170499938]
[2024-04-27 06:41:44,007 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:44,007 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:44,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:44,574 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 06:41:44,575 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:44,575 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170499938]
[2024-04-27 06:41:44,575 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170499938] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:44,575 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069354832]
[2024-04-27 06:41:44,575 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-27 06:41:44,575 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:44,576 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:44,576 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:44,608 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-27 06:41:44,625 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-27 06:41:44,625 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:44,626 INFO  L262         TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 37 conjunts are in the unsatisfiable core
[2024-04-27 06:41:44,628 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:44,983 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 129
[2024-04-27 06:41:45,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:45,177 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:46,032 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:46,032 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 259 treesize of output 231
[2024-04-27 06:41:46,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 06:41:46,559 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069354832] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:46,559 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:46,559 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 13] total 36
[2024-04-27 06:41:46,559 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588058504]
[2024-04-27 06:41:46,559 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:46,560 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 36 states
[2024-04-27 06:41:46,560 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:46,564 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants.
[2024-04-27 06:41:46,565 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1105, Unknown=0, NotChecked=0, Total=1260
[2024-04-27 06:41:46,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:46,565 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:46,565 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 36 states, 36 states have (on average 1.8055555555555556) internal successors, (65), 36 states have internal predecessors, (65), 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)
[2024-04-27 06:41:46,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:46,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:46,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:46,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:46,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:46,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:47,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:47,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:47,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:47,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:47,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:47,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2024-04-27 06:41:47,757 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:47,953 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-04-27 06:41:47,953 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:47,953 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:47,953 INFO  L85        PathProgramCache]: Analyzing trace with hash -1082362845, now seen corresponding path program 5 times
[2024-04-27 06:41:47,953 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:47,954 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547471721]
[2024-04-27 06:41:47,954 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:47,954 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:47,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:47,990 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:47,990 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:47,994 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547471721]
[2024-04-27 06:41:47,994 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547471721] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:47,994 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112672168]
[2024-04-27 06:41:47,995 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-27 06:41:47,995 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:47,995 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:47,996 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:47,999 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-04-27 06:41:48,057 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2024-04-27 06:41:48,057 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:48,058 INFO  L262         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core
[2024-04-27 06:41:48,059 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:48,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:48,072 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 06:41:48,072 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [112672168] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 06:41:48,072 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 06:41:48,073 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7
[2024-04-27 06:41:48,073 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247937224]
[2024-04-27 06:41:48,073 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 06:41:48,074 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-04-27 06:41:48,074 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:48,078 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-04-27 06:41:48,079 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-04-27 06:41:48,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:48,079 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:48,079 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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)
[2024-04-27 06:41:48,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:48,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2024-04-27 06:41:48,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:48,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:48,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2024-04-27 06:41:48,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:48,168 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:48,367 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:48,368 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:48,369 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:48,369 INFO  L85        PathProgramCache]: Analyzing trace with hash -583497294, now seen corresponding path program 6 times
[2024-04-27 06:41:48,369 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:48,369 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333466370]
[2024-04-27 06:41:48,369 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:48,369 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:48,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:48,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:48,406 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:48,406 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333466370]
[2024-04-27 06:41:48,406 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333466370] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:48,406 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245088238]
[2024-04-27 06:41:48,406 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-04-27 06:41:48,406 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:48,406 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:48,407 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:48,439 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-04-27 06:41:48,458 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s)
[2024-04-27 06:41:48,458 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:48,459 INFO  L262         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core
[2024-04-27 06:41:48,461 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:48,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:48,475 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 06:41:48,475 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245088238] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 06:41:48,475 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 06:41:48,475 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7
[2024-04-27 06:41:48,475 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263613356]
[2024-04-27 06:41:48,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 06:41:48,476 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-04-27 06:41:48,476 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:48,478 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-04-27 06:41:48,479 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-04-27 06:41:48,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:48,481 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:48,481 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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)
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:48,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:48,559 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:48,758 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-04-27 06:41:48,759 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:48,759 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:48,759 INFO  L85        PathProgramCache]: Analyzing trace with hash -2020312299, now seen corresponding path program 7 times
[2024-04-27 06:41:48,759 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:48,760 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948495077]
[2024-04-27 06:41:48,760 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:48,760 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:48,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:49,022 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:49,023 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:49,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948495077]
[2024-04-27 06:41:49,023 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948495077] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:49,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597625058]
[2024-04-27 06:41:49,023 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-04-27 06:41:49,023 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:49,023 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:49,025 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:49,037 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-04-27 06:41:49,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:49,082 INFO  L262         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjunts are in the unsatisfiable core
[2024-04-27 06:41:49,084 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:49,229 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42
[2024-04-27 06:41:49,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:49,259 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:49,319 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:49,319 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27
[2024-04-27 06:41:49,449 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:49,449 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597625058] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:49,449 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:49,449 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2024-04-27 06:41:49,450 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409841851]
[2024-04-27 06:41:49,450 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:49,450 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-04-27 06:41:49,450 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:49,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-04-27 06:41:49,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462
[2024-04-27 06:41:49,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:49,455 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:49,455 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 22 states have internal predecessors, (42), 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)
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:49,455 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:50,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:50,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:50,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:50,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:50,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:50,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:50,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:50,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:50,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:50,685 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:50,878 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:50,878 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:50,879 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:50,879 INFO  L85        PathProgramCache]: Analyzing trace with hash 1248691227, now seen corresponding path program 1 times
[2024-04-27 06:41:50,879 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:50,879 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502262889]
[2024-04-27 06:41:50,879 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:50,879 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:50,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:51,017 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:51,018 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:51,018 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502262889]
[2024-04-27 06:41:51,018 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502262889] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 06:41:51,018 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 06:41:51,018 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-04-27 06:41:51,018 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309565412]
[2024-04-27 06:41:51,018 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 06:41:51,018 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-04-27 06:41:51,018 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:51,020 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-04-27 06:41:51,020 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-04-27 06:41:51,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:51,020 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:51,020 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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)
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:51,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:51,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:51,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:51,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:51,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:51,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,290 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-04-27 06:41:51,290 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:51,291 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:51,291 INFO  L85        PathProgramCache]: Analyzing trace with hash -1724931264, now seen corresponding path program 1 times
[2024-04-27 06:41:51,291 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:51,291 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395682376]
[2024-04-27 06:41:51,291 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:51,291 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:51,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:51,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 06:41:51,453 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:51,453 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395682376]
[2024-04-27 06:41:51,453 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395682376] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:51,453 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607787019]
[2024-04-27 06:41:51,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:51,453 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:51,453 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:51,468 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:51,469 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-04-27 06:41:51,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:51,518 INFO  L262         TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjunts are in the unsatisfiable core
[2024-04-27 06:41:51,520 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:51,741 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 59
[2024-04-27 06:41:51,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 06:41:51,773 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:51,858 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:51,859 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 45
[2024-04-27 06:41:51,941 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 06:41:51,941 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [607787019] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:51,941 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:51,941 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19
[2024-04-27 06:41:51,941 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759330651]
[2024-04-27 06:41:51,941 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:51,942 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-04-27 06:41:51,942 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:51,945 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-04-27 06:41:51,945 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342
[2024-04-27 06:41:51,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:51,946 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:51,946 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 19 states have internal predecessors, (37), 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)
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:51,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:52,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:52,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:52,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:52,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:52,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:52,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:52,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:52,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:52,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:52,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:52,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 06:41:52,349 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:52,543 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:52,544 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:52,544 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:52,544 INFO  L85        PathProgramCache]: Analyzing trace with hash -966165280, now seen corresponding path program 2 times
[2024-04-27 06:41:52,544 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:52,544 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342615787]
[2024-04-27 06:41:52,544 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:52,545 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:52,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:52,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:52,622 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:52,622 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342615787]
[2024-04-27 06:41:52,622 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342615787] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:52,624 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808328158]
[2024-04-27 06:41:52,624 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-27 06:41:52,624 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:52,625 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:52,629 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:52,675 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-04-27 06:41:52,704 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-27 06:41:52,704 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:52,705 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core
[2024-04-27 06:41:52,708 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:52,994 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55
[2024-04-27 06:41:53,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:53,071 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:53,296 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:53,296 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 92
[2024-04-27 06:41:53,464 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:53,464 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808328158] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:53,465 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:53,465 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 20
[2024-04-27 06:41:53,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538367501]
[2024-04-27 06:41:53,465 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:53,465 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-04-27 06:41:53,465 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:53,469 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-04-27 06:41:53,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380
[2024-04-27 06:41:53,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:53,470 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:53,470 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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)
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 06:41:53,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:54,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:54,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:54,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 06:41:54,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-04-27 06:41:54,020 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:54,206 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-04-27 06:41:54,206 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:54,207 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:54,207 INFO  L85        PathProgramCache]: Analyzing trace with hash 1254988506, now seen corresponding path program 3 times
[2024-04-27 06:41:54,207 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:54,207 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466332975]
[2024-04-27 06:41:54,207 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:54,207 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:54,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:54,295 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 06:41:54,295 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:54,295 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466332975]
[2024-04-27 06:41:54,295 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466332975] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:54,295 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694088184]
[2024-04-27 06:41:54,296 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-27 06:41:54,296 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:54,296 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:54,297 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:54,324 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-04-27 06:41:54,367 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-27 06:41:54,367 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:54,367 INFO  L262         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjunts are in the unsatisfiable core
[2024-04-27 06:41:54,370 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:54,508 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56
[2024-04-27 06:41:54,539 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:54,539 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:54,590 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 06:41:54,590 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 45
[2024-04-27 06:41:54,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 06:41:54,721 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694088184] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:54,721 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:54,721 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 21
[2024-04-27 06:41:54,722 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341311500]
[2024-04-27 06:41:54,722 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:54,722 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-04-27 06:41:54,722 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:54,724 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-04-27 06:41:54,725 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420
[2024-04-27 06:41:54,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:54,725 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:54,725 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 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)
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 06:41:54,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2024-04-27 06:41:54,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:55,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:55,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:55,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:55,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:55,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:55,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:55,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:55,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:55,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:55,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:55,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 06:41:55,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-04-27 06:41:55,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:55,263 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:55,458 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:55,458 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 06:41:55,459 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 06:41:55,459 INFO  L85        PathProgramCache]: Analyzing trace with hash -230226094, now seen corresponding path program 4 times
[2024-04-27 06:41:55,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 06:41:55,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183603658]
[2024-04-27 06:41:55,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 06:41:55,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 06:41:55,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 06:41:55,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 06:41:55,559 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 06:41:55,559 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183603658]
[2024-04-27 06:41:55,560 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183603658] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 06:41:55,560 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478229184]
[2024-04-27 06:41:55,560 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-27 06:41:55,560 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 06:41:55,561 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 06:41:55,586 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 06:41:55,608 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-04-27 06:41:55,643 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-27 06:41:55,643 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 06:41:55,644 INFO  L262         TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core
[2024-04-27 06:41:55,648 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 06:41:55,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 06:41:55,746 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 06:41:55,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 06:41:55,861 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [478229184] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 06:41:55,861 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 06:41:55,861 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8
[2024-04-27 06:41:55,861 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878953904]
[2024-04-27 06:41:55,861 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 06:41:55,862 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-04-27 06:41:55,862 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 06:41:55,864 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-04-27 06:41:55,864 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2024-04-27 06:41:55,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:55,864 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 06:41:55,864 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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)
[2024-04-27 06:41:55,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:55,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:55,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:55,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:55,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:55,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:55,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-04-27 06:41:56,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2024-04-27 06:41:56,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 06:41:56,693 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining)
[2024-04-27 06:41:56,693 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2024-04-27 06:41:56,693 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-04-27 06:41:56,693 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-04-27 06:41:56,698 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:56,897 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-04-27 06:41:56,901 INFO  L448         BasicCegarLoop]: Path program histogram: [7, 4, 1, 1, 1]
[2024-04-27 06:41:56,903 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-04-27 06:41:56,903 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-04-27 06:41:56,905 INFO  L201        PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 06:41:56 BasicIcfg
[2024-04-27 06:41:56,905 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-04-27 06:41:56,905 INFO  L158              Benchmark]: Toolchain (without parser) took 25062.79ms. Allocated memory was 183.5MB in the beginning and 751.8MB in the end (delta: 568.3MB). Free memory was 114.8MB in the beginning and 549.8MB in the end (delta: -435.0MB). Peak memory consumption was 134.1MB. Max. memory is 8.0GB.
[2024-04-27 06:41:56,905 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-27 06:41:56,905 INFO  L158              Benchmark]: Boogie Procedure Inliner took 71.49ms. Allocated memory is still 183.5MB. Free memory was 114.8MB in the beginning and 159.6MB in the end (delta: -44.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2024-04-27 06:41:56,906 INFO  L158              Benchmark]: Boogie Preprocessor took 26.96ms. Allocated memory is still 183.5MB. Free memory was 159.6MB in the beginning and 158.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB.
[2024-04-27 06:41:56,906 INFO  L158              Benchmark]: RCFGBuilder took 431.66ms. Allocated memory is still 183.5MB. Free memory was 158.4MB in the beginning and 140.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
[2024-04-27 06:41:56,906 INFO  L158              Benchmark]: TraceAbstraction took 24512.56ms. Allocated memory was 183.5MB in the beginning and 751.8MB in the end (delta: 568.3MB). Free memory was 138.9MB in the beginning and 549.8MB in the end (delta: -410.8MB). Peak memory consumption was 158.2MB. Max. memory is 8.0GB.
[2024-04-27 06:41:56,907 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 71.49ms. Allocated memory is still 183.5MB. Free memory was 114.8MB in the beginning and 159.6MB in the end (delta: -44.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 26.96ms. Allocated memory is still 183.5MB. Free memory was 159.6MB in the beginning and 158.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB.
 * RCFGBuilder took 431.66ms. Allocated memory is still 183.5MB. Free memory was 158.4MB in the beginning and 140.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
 * TraceAbstraction took 24512.56ms. Allocated memory was 183.5MB in the beginning and 751.8MB in the end (delta: 568.3MB). Free memory was 138.9MB in the beginning and 549.8MB in the end (delta: -410.8MB). Peak memory consumption was 158.2MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12745, independent: 10631, independent conditional: 10587, independent unconditional: 44, dependent: 2114, dependent conditional: 2106, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 10587, independent unconditional: 44, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 10587, independent unconditional: 44, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 10587, independent unconditional: 44, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 975, independent unconditional: 9656, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 950, independent unconditional: 9681, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 950, independent unconditional: 9681, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 142, independent: 142, independent conditional: 29, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 142, independent: 142, independent conditional: 0, independent unconditional: 142, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10631, independent: 10489, independent conditional: 921, independent unconditional: 9568, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 142, unknown conditional: 29, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 142, Positive cache size: 142, Positive conditional cache size: 29, Positive unconditional cache size: 113, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 975, independent unconditional: 9656, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 950, independent unconditional: 9681, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10631, independent: 10631, independent conditional: 950, independent unconditional: 9681, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 142, independent: 142, independent conditional: 29, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 142, independent: 142, independent conditional: 0, independent unconditional: 142, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10631, independent: 10489, independent conditional: 921, independent unconditional: 9568, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 142, unknown conditional: 29, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 142, Positive cache size: 142, Positive conditional cache size: 29, Positive unconditional cache size: 113, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25 ], Independence queries for same thread: 2114
  - PositiveResult [Line: 114]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 8.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 223, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 691 ConstructedInterpolants, 0 QuantifiedInterpolants, 8720 SizeOfPredicates, 139 NumberOfNonLiveVariables, 1190 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 34 InterpolantComputations, 5 PerfectInterpolantSequences, 121/270 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-04-27 06:41:56,916 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-04-27 06:41:57,123 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...