/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-28 14:10:43,532 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-04-28 14:10:43,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-28 14:10:43,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-04-28 14:10:43,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-28 14:10:43,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-28 14:10:43,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-28 14:10:43,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-28 14:10:43,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-28 14:10:43,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-28 14:10:43,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-28 14:10:43,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-04-28 14:10:43,654 INFO L153 SettingsManager]: * Use SBE=true
[2024-04-28 14:10:43,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-28 14:10:43,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-04-28 14:10:43,656 INFO L153 SettingsManager]: * sizeof long=4
[2024-04-28 14:10:43,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-04-28 14:10:43,656 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-04-28 14:10:43,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-04-28 14:10:43,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-04-28 14:10:43,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-28 14:10:43,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-04-28 14:10:43,657 INFO L153 SettingsManager]: * sizeof long double=12
[2024-04-28 14:10:43,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-04-28 14:10:43,658 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-04-28 14:10:43,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-28 14:10:43,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-04-28 14:10:43,658 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-04-28 14:10:43,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-04-28 14:10:43,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 14:10:43,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-28 14:10:43,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-04-28 14:10:43,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-28 14:10:43,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-28 14:10:43,661 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-28 14:10:43,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-28 14:10:43,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-04-28 14:10:43,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-28 14:10:43,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-28 14:10:43,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10
[2024-04-28 14:10:43,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-28 14:10:43,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-28 14:10:43,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-28 14:10:43,982 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-28 14:10:43,983 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-28 14:10:43,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl
[2024-04-28 14:10:43,984 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl'
[2024-04-28 14:10:44,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-28 14:10:44,031 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-28 14:10:44,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-28 14:10:44,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-28 14:10:44,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-28 14:10:44,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,072 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-28 14:10:44,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-28 14:10:44,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-28 14:10:44,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-28 14:10:44,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-04-28 14:10:44,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-28 14:10:44,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-28 14:10:44,091 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-04-28 14:10:44,091 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-04-28 14:10:44,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/1) ...
[2024-04-28 14:10:44,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 14:10:44,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:44,134 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)
[2024-04-28 14:10:44,155 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
[2024-04-28 14:10:44,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-28 14:10:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-04-28 14:10:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-28 14:10:44,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-28 14:10:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-04-28 14:10:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-28 14:10:44,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-28 14:10:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-28 14:10:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-28 14:10:44,189 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-28 14:10:44,244 INFO L241 CfgBuilder]: Building ICFG
[2024-04-28 14:10:44,246 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-28 14:10:44,316 INFO L282 CfgBuilder]: Performing block encoding
[2024-04-28 14:10:44,336 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-28 14:10:44,336 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2024-04-28 14:10:44,338 INFO L201 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:10:44 BoogieIcfgContainer
[2024-04-28 14:10:44,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-28 14:10:44,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-28 14:10:44,341 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-04-28 14:10:44,344 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-04-28 14:10:44,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:10:44" (1/2) ...
[2024-04-28 14:10:44,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16152fb5 and model type counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 02:10:44, skipping insertion in model container
[2024-04-28 14:10:44,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:10:44" (2/2) ...
[2024-04-28 14:10:44,347 INFO L112 eAbstractionObserver]: Analyzing ICFG counter-fun.wvr.bpl
[2024-04-28 14:10:44,355 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-28 14:10:44,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-28 14:10:44,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-28 14:10:44,364 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-28 14:10:44,413 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-04-28 14:10:44,460 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-28 14:10:44,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-28 14:10:44,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:44,468 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)
[2024-04-28 14:10:44,491 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
[2024-04-28 14:10:44,530 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-28 14:10:44,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:44,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-28 14:10:44,562 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;@38b4bec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false
[2024-04-28 14:10:44,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-04-28 14:10:44,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:44,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:44,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1670599270, now seen corresponding path program 1 times
[2024-04-28 14:10:44,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:44,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875859134]
[2024-04-28 14:10:44,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:44,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:44,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:44,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875859134]
[2024-04-28 14:10:44,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875859134] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:10:44,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:10:44,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-28 14:10:44,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800556978]
[2024-04-28 14:10:44,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:10:44,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-28 14:10:44,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:44,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 14:10:44,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 14:10:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:44,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:44,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-04-28 14:10:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:44,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:44,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-28 14:10:44,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:44,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:44,890 INFO L85 PathProgramCache]: Analyzing trace with hash 36652676, now seen corresponding path program 1 times
[2024-04-28 14:10:44,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:44,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240470451]
[2024-04-28 14:10:44,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:44,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:45,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:45,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240470451]
[2024-04-28 14:10:45,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240470451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:10:45,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:10:45,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-04-28 14:10:45,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284932784]
[2024-04-28 14:10:45,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:10:45,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-04-28 14:10:45,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:45,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-04-28 14:10:45,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-04-28 14:10:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:45,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:45,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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)
[2024-04-28 14:10:45,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:45,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:45,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:45,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-28 14:10:45,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:45,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:45,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1955502540, now seen corresponding path program 1 times
[2024-04-28 14:10:45,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:45,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774767037]
[2024-04-28 14:10:45,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:45,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:45,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:45,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774767037]
[2024-04-28 14:10:45,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774767037] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:10:45,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:10:45,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-04-28 14:10:45,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800252731]
[2024-04-28 14:10:45,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:10:45,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-04-28 14:10:45,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:45,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-04-28 14:10:45,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-04-28 14:10:45,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:45,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:45,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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)
[2024-04-28 14:10:45,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:45,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:45,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:45,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-04-28 14:10:45,342 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:45,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:45,342 INFO L85 PathProgramCache]: Analyzing trace with hash 325654698, now seen corresponding path program 1 times
[2024-04-28 14:10:45,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:45,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663346729]
[2024-04-28 14:10:45,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:45,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:45,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:10:45,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:45,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663346729]
[2024-04-28 14:10:45,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663346729] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:45,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412487174]
[2024-04-28 14:10:45,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:45,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:45,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:45,423 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)
[2024-04-28 14:10:45,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-28 14:10:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:45,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core
[2024-04-28 14:10:45,466 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:45,518 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 13 treesize of output 9
[2024-04-28 14:10:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:10:45,548 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:45,570 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 16 treesize of output 12
[2024-04-28 14:10:45,573 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 12 treesize of output 8
[2024-04-28 14:10:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:10:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412487174] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:45,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:45,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-04-28 14:10:45,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281919738]
[2024-04-28 14:10:45,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:45,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 14:10:45,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:45,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 14:10:45,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-04-28 14:10:45,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:45,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:45,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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)
[2024-04-28 14:10:45,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:45,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:45,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:45,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:45,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:45,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-04-28 14:10:45,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:45,815 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:45,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:45,815 INFO L85 PathProgramCache]: Analyzing trace with hash 330075080, now seen corresponding path program 2 times
[2024-04-28 14:10:45,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:45,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153470098]
[2024-04-28 14:10:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:45,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:10:45,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:45,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153470098]
[2024-04-28 14:10:45,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153470098] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:45,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975174534]
[2024-04-28 14:10:45,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-28 14:10:45,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:45,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:45,951 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)
[2024-04-28 14:10:46,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-28 14:10:46,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-28 14:10:46,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:10:46,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-04-28 14:10:46,050 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:46,224 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:46,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975174534] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:46,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:46,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14
[2024-04-28 14:10:46,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425056462]
[2024-04-28 14:10:46,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:46,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-04-28 14:10:46,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:46,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-04-28 14:10:46,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2024-04-28 14:10:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:46,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:46,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 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)
[2024-04-28 14:10:46,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:46,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:46,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:46,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:46,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-04-28 14:10:46,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-04-28 14:10:46,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:46,866 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:46,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:46,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2046042352, now seen corresponding path program 3 times
[2024-04-28 14:10:46,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:46,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159930423]
[2024-04-28 14:10:46,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:46,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:10:46,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:46,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159930423]
[2024-04-28 14:10:46,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159930423] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:46,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60505254]
[2024-04-28 14:10:46,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-28 14:10:46,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:46,961 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)
[2024-04-28 14:10:46,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-28 14:10:46,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-28 14:10:46,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:10:46,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-04-28 14:10:46,999 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:47,118 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:47,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60505254] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:47,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:47,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15
[2024-04-28 14:10:47,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821887141]
[2024-04-28 14:10:47,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:47,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-04-28 14:10:47,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:47,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-04-28 14:10:47,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240
[2024-04-28 14:10:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:47,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:47,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 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)
[2024-04-28 14:10:47,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:47,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:47,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:47,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:47,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states.
[2024-04-28 14:10:47,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:47,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:47,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-04-28 14:10:47,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:47,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:47,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash -680456944, now seen corresponding path program 4 times
[2024-04-28 14:10:47,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:47,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443692649]
[2024-04-28 14:10:47,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-04-28 14:10:48,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:48,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443692649]
[2024-04-28 14:10:48,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443692649] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:48,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561646603]
[2024-04-28 14:10:48,063 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-28 14:10:48,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:48,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:48,065 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)
[2024-04-28 14:10:48,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-28 14:10:48,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-28 14:10:48,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:10:48,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core
[2024-04-28 14:10:48,116 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:48,302 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:48,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561646603] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:48,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:48,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 11] total 24
[2024-04-28 14:10:48,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186710566]
[2024-04-28 14:10:48,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:48,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-04-28 14:10:48,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:48,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-04-28 14:10:48,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600
[2024-04-28 14:10:48,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:48,481 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:48,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 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)
[2024-04-28 14:10:48,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:48,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:48,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:48,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:48,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:48,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:48,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:49,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:10:49,372 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 18 treesize of output 20
[2024-04-28 14:10:49,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1269266049, now seen corresponding path program 1 times
[2024-04-28 14:10:49,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:49,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:10:49,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-28 14:10:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:10:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-04-28 14:10:49,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-04-28 14:10:49,828 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,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6
[2024-04-28 14:10:49,829 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:49,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:49,829 INFO L85 PathProgramCache]: Analyzing trace with hash 707902706, now seen corresponding path program 5 times
[2024-04-28 14:10:49,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:49,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124956903]
[2024-04-28 14:10:49,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-04-28 14:10:49,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:49,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124956903]
[2024-04-28 14:10:49,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124956903] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:49,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739800676]
[2024-04-28 14:10:49,974 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-28 14:10:49,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:49,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:49,977 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)
[2024-04-28 14:10:49,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-04-28 14:10:50,015 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2024-04-28 14:10:50,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:10:50,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core
[2024-04-28 14:10:50,017 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:50,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:10:50,092 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25
[2024-04-28 14:10:50,225 INFO L349 Elim1Store]: treesize reduction 24, result has 70.4 percent of original size
[2024-04-28 14:10:50,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 33 treesize of output 81
[2024-04-28 14:10:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-04-28 14:10:50,324 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:50,508 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size
[2024-04-28 14:10:50,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 42
[2024-04-28 14:10:50,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:10:50,515 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28
[2024-04-28 14:10:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-04-28 14:10:50,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739800676] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:50,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:50,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 9] total 14
[2024-04-28 14:10:50,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825718277]
[2024-04-28 14:10:50,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:50,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-04-28 14:10:50,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:50,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-04-28 14:10:50,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182
[2024-04-28 14:10:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:50,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:50,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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)
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states.
[2024-04-28 14:10:50,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-04-28 14:10:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:50,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-04-28 14:10:50,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:50,810 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:50,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:50,810 INFO L85 PathProgramCache]: Analyzing trace with hash -629224752, now seen corresponding path program 6 times
[2024-04-28 14:10:50,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:50,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715165579]
[2024-04-28 14:10:50,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:50,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-04-28 14:10:50,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715165579]
[2024-04-28 14:10:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715165579] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:50,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985438133]
[2024-04-28 14:10:50,999 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-04-28 14:10:50,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:51,000 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)
[2024-04-28 14:10:51,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-04-28 14:10:51,048 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s)
[2024-04-28 14:10:51,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:10:51,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core
[2024-04-28 14:10:51,051 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 4 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:51,390 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:51,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985438133] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:51,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:51,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 15] total 33
[2024-04-28 14:10:51,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968748997]
[2024-04-28 14:10:51,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:51,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2024-04-28 14:10:51,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:51,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2024-04-28 14:10:51,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=906, Unknown=0, NotChecked=0, Total=1122
[2024-04-28 14:10:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:51,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:51,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:51,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states.
[2024-04-28 14:10:52,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-04-28 14:10:53,095 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,SelfDestructingSolverStorable9
[2024-04-28 14:10:53,095 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:53,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1521056078, now seen corresponding path program 7 times
[2024-04-28 14:10:53,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:53,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795257245]
[2024-04-28 14:10:53,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.
[2024-04-28 14:10:53,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:53,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795257245]
[2024-04-28 14:10:53,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795257245] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:53,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581791130]
[2024-04-28 14:10:53,322 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-04-28 14:10:53,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:53,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:53,324 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)
[2024-04-28 14:10:53,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-04-28 14:10:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:53,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core
[2024-04-28 14:10:53,365 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:53,480 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size
[2024-04-28 14:10:53,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 41
[2024-04-28 14:10:53,798 INFO L349 Elim1Store]: treesize reduction 48, result has 78.7 percent of original size
[2024-04-28 14:10:53,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 28 case distinctions, treesize of input 45 treesize of output 210
[2024-04-28 14:10:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-04-28 14:10:54,869 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:55,171 INFO L349 Elim1Store]: treesize reduction 56, result has 30.9 percent of original size
[2024-04-28 14:10:55,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 108 treesize of output 80
[2024-04-28 14:10:55,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:10:55,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 56
[2024-04-28 14:10:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 23 proven. 67 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-04-28 14:10:55,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581791130] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:55,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:55,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 13] total 20
[2024-04-28 14:10:55,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019756984]
[2024-04-28 14:10:55,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:55,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-04-28 14:10:55,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:55,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-04-28 14:10:55,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380
[2024-04-28 14:10:55,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:55,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:55,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.1) internal successors, (62), 20 states have internal predecessors, (62), 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)
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states.
[2024-04-28 14:10:55,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:55,579 INFO L349 Elim1Store]: treesize reduction 13, result has 85.4 percent of original size
[2024-04-28 14:10:55,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 52 treesize of output 113
[2024-04-28 14:10:57,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:10:57,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 42
[2024-04-28 14:10:57,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:10:57,809 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 24 treesize of output 28
[2024-04-28 14:10:57,824 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-04-28 14:10:57,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10
[2024-04-28 14:10:57,947 INFO L85 PathProgramCache]: Analyzing trace with hash -262435583, now seen corresponding path program 2 times
[2024-04-28 14:10:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:57,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:10:57,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-28 14:10:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:10:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:10:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states.
[2024-04-28 14:10:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-04-28 14:10:58,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-04-28 14:10:58,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:58,194 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:10:58,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:10:58,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1117260656, now seen corresponding path program 8 times
[2024-04-28 14:10:58,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:10:58,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050756310]
[2024-04-28 14:10:58,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:10:58,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:10:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:10:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 29 proven. 48 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-04-28 14:10:58,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:10:58,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050756310]
[2024-04-28 14:10:58,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050756310] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:10:58,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166812122]
[2024-04-28 14:10:58,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-28 14:10:58,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:10:58,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:10:58,413 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)
[2024-04-28 14:10:58,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-04-28 14:10:58,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-28 14:10:58,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:10:58,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core
[2024-04-28 14:10:58,462 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:10:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 9 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:58,836 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:10:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:10:59,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166812122] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:10:59,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:10:59,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 19] total 42
[2024-04-28 14:10:59,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968800157]
[2024-04-28 14:10:59,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:10:59,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2024-04-28 14:10:59,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:10:59,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2024-04-28 14:10:59,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1479, Unknown=0, NotChecked=0, Total=1806
[2024-04-28 14:10:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:10:59,220 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:10:59,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 42 states have internal predecessors, (97), 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)
[2024-04-28 14:10:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:10:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-04-28 14:10:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:11:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-04-28 14:11:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2024-04-28 14:11:00,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-04-28 14:11:00,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:11:00,969 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:11:00,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:11:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1645233038, now seen corresponding path program 9 times
[2024-04-28 14:11:00,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:11:00,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048076167]
[2024-04-28 14:11:00,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:11:00,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:11:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:11:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-04-28 14:11:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:11:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048076167]
[2024-04-28 14:11:01,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048076167] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:11:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203269536]
[2024-04-28 14:11:01,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-28 14:11:01,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:11:01,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:11:01,231 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)
[2024-04-28 14:11:01,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-04-28 14:11:01,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s)
[2024-04-28 14:11:01,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:11:01,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 65 conjunts are in the unsatisfiable core
[2024-04-28 14:11:01,290 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:11:01,605 INFO L349 Elim1Store]: treesize reduction 220, result has 23.9 percent of original size
[2024-04-28 14:11:01,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 107 treesize of output 110
[2024-04-28 14:11:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 22 proven. 95 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-04-28 14:11:01,614 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:11:02,171 INFO L349 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size
[2024-04-28 14:11:02,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 112 treesize of output 102
[2024-04-28 14:11:02,194 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:11:02,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 100
[2024-04-28 14:11:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 12 proven. 117 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2024-04-28 14:11:02,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203269536] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:11:02,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:11:02,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 12] total 25
[2024-04-28 14:11:02,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917067081]
[2024-04-28 14:11:02,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:11:02,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-04-28 14:11:02,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:11:02,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-04-28 14:11:02,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600
[2024-04-28 14:11:02,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:11:02,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:11:02,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.08) internal successors, (77), 25 states have internal predecessors, (77), 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)
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2024-04-28 14:11:02,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:11:02,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:11:02,462 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 16 treesize of output 20
[2024-04-28 14:11:03,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2024-04-28 14:11:05,155 INFO L85 PathProgramCache]: Analyzing trace with hash 667803521, now seen corresponding path program 3 times
[2024-04-28 14:11:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:11:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:11:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:11:05,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-28 14:11:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:11:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:11:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-04-28 14:11:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2024-04-28 14:11:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-04-28 14:11:05,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-04-28 14:11:05,388 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,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14
[2024-04-28 14:11:05,388 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:11:05,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:11:05,389 INFO L85 PathProgramCache]: Analyzing trace with hash 182540462, now seen corresponding path program 10 times
[2024-04-28 14:11:05,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:11:05,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367217368]
[2024-04-28 14:11:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:11:05,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:11:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:11:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 70 proven. 77 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2024-04-28 14:11:05,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:11:05,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367217368]
[2024-04-28 14:11:05,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367217368] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:11:05,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095199824]
[2024-04-28 14:11:05,647 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-28 14:11:05,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:11:05,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:11:05,649 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)
[2024-04-28 14:11:05,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-04-28 14:11:05,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-28 14:11:05,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:11:05,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 24 conjunts are in the unsatisfiable core
[2024-04-28 14:11:05,702 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:11:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 25 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:11:06,251 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:11:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 30 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:11:06,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095199824] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:11:06,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:11:06,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 24, 24] total 56
[2024-04-28 14:11:06,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187061611]
[2024-04-28 14:11:06,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:11:06,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2024-04-28 14:11:06,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:11:06,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2024-04-28 14:11:06,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=641, Invalid=2551, Unknown=0, NotChecked=0, Total=3192
[2024-04-28 14:11:06,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:11:06,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:11:06,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.245614035087719) internal successors, (128), 56 states have internal predecessors, (128), 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)
[2024-04-28 14:11:06,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:11:06,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:06,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:11:06,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:11:06,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:11:06,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:11:06,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:11:06,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:06,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states.
[2024-04-28 14:11:06,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-04-28 14:11:06,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states.
[2024-04-28 14:11:06,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2024-04-28 14:11:06,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:11:08,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:11:08,731 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 16 treesize of output 20
[2024-04-28 14:11:09,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2024-04-28 14:11:11,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1627789765, now seen corresponding path program 4 times
[2024-04-28 14:11:11,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:11:11,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:11:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:11:11,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-28 14:11:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 14:11:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states.
[2024-04-28 14:11:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-04-28 14:11:11,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2024-04-28 14:11:11,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-04-28 14:11:11,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states.
[2024-04-28 14:11:11,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-04-28 14:11:11,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-04-28 14:11:11,669 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:11:11,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:11:11,670 INFO L85 PathProgramCache]: Analyzing trace with hash 2145959342, now seen corresponding path program 11 times
[2024-04-28 14:11:11,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:11:11,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912992866]
[2024-04-28 14:11:11,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:11:11,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:11:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:11:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2024-04-28 14:11:12,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:11:12,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912992866]
[2024-04-28 14:11:12,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912992866] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:11:12,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95058576]
[2024-04-28 14:11:12,070 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-28 14:11:12,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:11:12,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:11:12,071 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)
[2024-04-28 14:11:12,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-04-28 14:11:12,125 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s)
[2024-04-28 14:11:12,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:11:12,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 77 conjunts are in the unsatisfiable core
[2024-04-28 14:11:12,128 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:11:12,463 INFO L349 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size
[2024-04-28 14:11:12,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 118 treesize of output 121
[2024-04-28 14:12:51,699 WARN L293 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 4419 DAG size of output: 4255 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1)
[2024-04-28 14:12:51,702 INFO L349 Elim1Store]: treesize reduction 328, result has 96.2 percent of original size
[2024-04-28 14:12:51,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 47 select indices, 47 select index equivalence classes, 0 disjoint index pairs (out of 1081 index pairs), introduced 86 new quantified variables, introduced 1081 case distinctions, treesize of input 339 treesize of output 8526
[2024-04-28 14:19:52,801 WARN L293 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 1915 DAG size of output: 1978 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-04-28 14:20:02,686 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-04-28 14:20:02,687 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 101
[2024-04-28 14:20:02,687 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-04-28 14:20:02,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2024-04-28 14:20:02,888 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,SelfDestructingSolverStorable17
[2024-04-28 14:20:02,889 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107)
at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:162)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 67 more
[2024-04-28 14:20:02,892 INFO L158 Benchmark]: Toolchain (without parser) took 558864.82ms. Allocated memory was 294.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 267.1MB in the beginning and 1.2GB in the end (delta: -912.5MB). Peak memory consumption was 955.2MB. Max. memory is 8.0GB.
[2024-04-28 14:20:02,892 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 294.6MB. Free memory is still 260.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-28 14:20:02,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.74ms. Allocated memory is still 294.6MB. Free memory was 267.1MB in the beginning and 265.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-28 14:20:02,892 INFO L158 Benchmark]: Boogie Preprocessor took 14.79ms. Allocated memory is still 294.6MB. Free memory was 265.6MB in the beginning and 264.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-28 14:20:02,893 INFO L158 Benchmark]: RCFGBuilder took 246.84ms. Allocated memory is still 294.6MB. Free memory was 264.6MB in the beginning and 254.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2024-04-28 14:20:02,893 INFO L158 Benchmark]: TraceAbstraction took 558550.83ms. Allocated memory was 294.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 252.8MB in the beginning and 1.2GB in the end (delta: -926.8MB). Peak memory consumption was 942.6MB. Max. memory is 8.0GB.
[2024-04-28 14:20:02,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.15ms. Allocated memory is still 294.6MB. Free memory is still 260.5MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 41.74ms. Allocated memory is still 294.6MB. Free memory was 267.1MB in the beginning and 265.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 14.79ms. Allocated memory is still 294.6MB. Free memory was 265.6MB in the beginning and 264.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 246.84ms. Allocated memory is still 294.6MB. Free memory was 264.6MB in the beginning and 254.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 558550.83ms. Allocated memory was 294.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 252.8MB in the beginning and 1.2GB in the end (delta: -926.8MB). Peak memory consumption was 942.6MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-04-28 14:20:02,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
Received shutdown request...