/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --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/horseshoe.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-28 15:16:44,839 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-04-28 15:16:44,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-28 15:16:44,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-04-28 15:16:44,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-28 15:16:44,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-28 15:16:44,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-28 15:16:44,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-28 15:16:44,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-28 15:16:44,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-28 15:16:44,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-28 15:16:44,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-04-28 15:16:44,909 INFO L153 SettingsManager]: * Use SBE=true
[2024-04-28 15:16:44,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-28 15:16:44,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-04-28 15:16:44,910 INFO L153 SettingsManager]: * sizeof long=4
[2024-04-28 15:16:44,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-04-28 15:16:44,910 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-04-28 15:16:44,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-04-28 15:16:44,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-04-28 15:16:44,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-28 15:16:44,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-04-28 15:16:44,912 INFO L153 SettingsManager]: * sizeof long double=12
[2024-04-28 15:16:44,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-04-28 15:16:44,912 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-04-28 15:16:44,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-28 15:16:44,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-04-28 15:16:44,913 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-04-28 15:16:44,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-04-28 15:16:44,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 15:16:44,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-28 15:16:44,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-04-28 15:16:44,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-28 15:16:44,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-28 15:16:44,915 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-28 15:16:44,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-28 15:16:44,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-04-28 15:16:44,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-28 15:16:44,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-28 15:16:44,915 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10
[2024-04-28 15:16:45,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-28 15:16:45,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-28 15:16:45,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-28 15:16:45,145 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-28 15:16:45,148 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-28 15:16:45,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl
[2024-04-28 15:16:45,150 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl'
[2024-04-28 15:16:45,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-28 15:16:45,219 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-28 15:16:45,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-28 15:16:45,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-28 15:16:45,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-28 15:16:45,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,267 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-28 15:16:45,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-28 15:16:45,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-28 15:16:45,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-28 15:16:45,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-04-28 15:16:45,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-28 15:16:45,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-28 15:16:45,294 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-04-28 15:16:45,294 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-04-28 15:16:45,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/1) ...
[2024-04-28 15:16:45,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 15:16:45,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:16:45,344 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 15:16:45,349 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 15:16:45,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-28 15:16:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-04-28 15:16:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-28 15:16:45,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-28 15:16:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-04-28 15:16:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-28 15:16:45,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-28 15:16:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-28 15:16:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-28 15:16:45,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2024-04-28 15:16:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-04-28 15:16:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-28 15:16:45,396 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 15:16:45,438 INFO L241 CfgBuilder]: Building ICFG
[2024-04-28 15:16:45,440 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-28 15:16:45,534 INFO L282 CfgBuilder]: Performing block encoding
[2024-04-28 15:16:45,554 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-28 15:16:45,554 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2024-04-28 15:16:45,561 INFO L201 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:16:45 BoogieIcfgContainer
[2024-04-28 15:16:45,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-28 15:16:45,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-28 15:16:45,564 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-04-28 15:16:45,567 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-04-28 15:16:45,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:16:45" (1/2) ...
[2024-04-28 15:16:45,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c7442 and model type horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:16:45, skipping insertion in model container
[2024-04-28 15:16:45,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:16:45" (2/2) ...
[2024-04-28 15:16:45,568 INFO L112 eAbstractionObserver]: Analyzing ICFG horseshoe.wvr.bpl
[2024-04-28 15:16:45,574 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-28 15:16:45,581 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-28 15:16:45,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-28 15:16:45,581 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-28 15:16:45,615 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-04-28 15:16:45,644 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-28 15:16:45,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-28 15:16:45,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:16:45,647 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 15:16:45,648 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 15:16:45,677 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-28 15:16:45,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:16:45,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-28 15:16:45,699 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;@4c8a52c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-04-28 15:16:45,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-04-28 15:16:45,729 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:16:45,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:16:45,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1455907367, now seen corresponding path program 1 times
[2024-04-28 15:16:45,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:16:45,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905889034]
[2024-04-28 15:16:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:16:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:45,884 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 15:16:45,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:16:45,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905889034]
[2024-04-28 15:16:45,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905889034] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 15:16:45,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 15:16:45,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-28 15:16:45,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134372704]
[2024-04-28 15:16:45,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 15:16:45,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-28 15:16:45,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:16:45,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 15:16:45,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 15:16:45,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:45,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:16:45,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 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 15:16:45,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:45,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:45,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-28 15:16:45,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:16:45,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:16:45,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1468651047, now seen corresponding path program 1 times
[2024-04-28 15:16:45,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:16:45,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504538261]
[2024-04-28 15:16:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:45,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:16:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:46,016 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 15:16:46,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:16:46,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504538261]
[2024-04-28 15:16:46,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504538261] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 15:16:46,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 15:16:46,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-28 15:16:46,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196467726]
[2024-04-28 15:16:46,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 15:16:46,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-28 15:16:46,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:16:46,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 15:16:46,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 15:16:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:46,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:16:46,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 15:16:46,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:46,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:46,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-28 15:16:46,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:16:46,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:16:46,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1253436998, now seen corresponding path program 1 times
[2024-04-28 15:16:46,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:16:46,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258388742]
[2024-04-28 15:16:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:46,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:16:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:46,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:16:46,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258388742]
[2024-04-28 15:16:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258388742] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 15:16:46,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870580031]
[2024-04-28 15:16:46,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:16:46,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:16:46,535 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 15:16:46,598 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 15:16:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:46,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core
[2024-04-28 15:16:46,621 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 15:16:46,821 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 11 treesize of output 7
[2024-04-28 15:16:46,982 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 39 treesize of output 23
[2024-04-28 15:16:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:47,095 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 15:16:47,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:16:47,244 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 23 treesize of output 27
[2024-04-28 15:16:47,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:16:47,388 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 45 treesize of output 43
[2024-04-28 15:16:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870580031] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 15:16:47,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 15:16:47,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 25
[2024-04-28 15:16:47,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022863764]
[2024-04-28 15:16:47,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 15:16:47,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-04-28 15:16:47,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:16:47,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-04-28 15:16:47,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650
[2024-04-28 15:16:47,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:47,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:16:47,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.576923076923077) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-28 15:16:47,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:47,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:47,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-04-28 15:16:47,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-04-28 15:16:48,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-04-28 15:16:48,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:16:48,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:16:48,024 INFO L85 PathProgramCache]: Analyzing trace with hash 495895043, now seen corresponding path program 2 times
[2024-04-28 15:16:48,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:16:48,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454344498]
[2024-04-28 15:16:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:48,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:16:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:48,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:16:48,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454344498]
[2024-04-28 15:16:48,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454344498] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 15:16:48,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791020309]
[2024-04-28 15:16:48,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-28 15:16:48,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:16:48,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:16:48,086 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 15:16:48,120 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 15:16:48,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-28 15:16:48,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 15:16:48,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-28 15:16:48,129 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 15:16:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 15:16:48,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-28 15:16:48,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791020309] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 15:16:48,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-28 15:16:48,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4
[2024-04-28 15:16:48,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838748795]
[2024-04-28 15:16:48,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 15:16:48,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 15:16:48,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:16:48,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 15:16:48,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-04-28 15:16:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:48,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:16:48,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 15:16:48,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:48,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:48,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2024-04-28 15:16:48,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:48,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-04-28 15:16:48,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:16:48,764 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 15:16:48,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:16:48,958 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:16:48,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:16:48,960 INFO L85 PathProgramCache]: Analyzing trace with hash 406208414, now seen corresponding path program 1 times
[2024-04-28 15:16:48,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:16:48,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260980571]
[2024-04-28 15:16:48,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:48,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:16:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:49,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:16:49,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260980571]
[2024-04-28 15:16:49,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260980571] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 15:16:49,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208862903]
[2024-04-28 15:16:49,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:49,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:16:49,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:16:49,070 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 15:16:49,089 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 15:16:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:49,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core
[2024-04-28 15:16:49,105 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 15:16:49,138 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 11 treesize of output 7
[2024-04-28 15:16:49,154 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 11 treesize of output 7
[2024-04-28 15:16:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:49,163 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 15:16:49,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:16:49,199 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 13 treesize of output 17
[2024-04-28 15:16:49,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:16:49,220 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 15 treesize of output 19
[2024-04-28 15:16:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:49,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208862903] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 15:16:49,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 15:16:49,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 10
[2024-04-28 15:16:49,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824816871]
[2024-04-28 15:16:49,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 15:16:49,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-04-28 15:16:49,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:16:49,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-04-28 15:16:49,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2024-04-28 15:16:49,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:49,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:16:49,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 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 15:16:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-04-28 15:16:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:16:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-04-28 15:16:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:16:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-04-28 15:16:49,415 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 15:16:49,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:16:49,605 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:16:49,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:16:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1550662595, now seen corresponding path program 2 times
[2024-04-28 15:16:49,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:16:49,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189690547]
[2024-04-28 15:16:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:16:49,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:16:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:16:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:50,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:16:50,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189690547]
[2024-04-28 15:16:50,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189690547] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 15:16:50,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354212182]
[2024-04-28 15:16:50,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-28 15:16:50,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:16:50,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:16:50,247 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 15:16:50,279 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 15:16:50,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-28 15:16:50,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 15:16:50,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 43 conjunts are in the unsatisfiable core
[2024-04-28 15:16:50,288 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 15:16:50,836 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:16:50,836 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 31 treesize of output 19
[2024-04-28 15:16:51,184 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:16:51,184 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 50 treesize of output 30
[2024-04-28 15:16:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:51,320 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 15:16:52,067 INFO L349 Elim1Store]: treesize reduction 5, result has 86.5 percent of original size
[2024-04-28 15:16:52,067 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 69
[2024-04-28 15:16:52,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:16:52,418 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 82
[2024-04-28 15:16:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:16:52,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354212182] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 15:16:52,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 15:16:52,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51
[2024-04-28 15:16:52,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354196009]
[2024-04-28 15:16:52,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 15:16:52,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states
[2024-04-28 15:16:52,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:16:52,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants.
[2024-04-28 15:16:52,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2428, Unknown=0, NotChecked=0, Total=2652
[2024-04-28 15:16:52,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:16:52,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:16:52,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.9807692307692308) internal successors, (103), 51 states have internal predecessors, (103), 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 15:16:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:16:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-04-28 15:16:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:16:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-04-28 15:16:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:17:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-04-28 15:17:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:17:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-04-28 15:17:01,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states.
[2024-04-28 15:17:01,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-04-28 15:17:01,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-04-28 15:17:01,996 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:17:01,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:17:01,997 INFO L85 PathProgramCache]: Analyzing trace with hash -747295083, now seen corresponding path program 3 times
[2024-04-28 15:17:01,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:17:01,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22911372]
[2024-04-28 15:17:01,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:17:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:17:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:17:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-28 15:17:02,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:17:02,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22911372]
[2024-04-28 15:17:02,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22911372] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 15:17:02,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757191779]
[2024-04-28 15:17:02,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-28 15:17:02,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:17:02,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:17:02,250 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 15:17:02,279 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 15:17:02,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-28 15:17:02,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 15:17:02,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core
[2024-04-28 15:17:02,290 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 15:17:02,390 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 11 treesize of output 7
[2024-04-28 15:17:02,457 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 11 treesize of output 7
[2024-04-28 15:17:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-28 15:17:02,472 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 15:17:02,526 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:17:02,526 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 13 treesize of output 17
[2024-04-28 15:17:02,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:17:02,594 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 15 treesize of output 19
[2024-04-28 15:17:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-28 15:17:02,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757191779] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 15:17:02,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 15:17:02,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 23
[2024-04-28 15:17:02,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134075087]
[2024-04-28 15:17:02,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 15:17:02,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-04-28 15:17:02,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:17:02,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-04-28 15:17:02,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552
[2024-04-28 15:17:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:17:02,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:17:02,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-28 15:17:02,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:02,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:02,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states.
[2024-04-28 15:17:02,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:17:02,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-04-28 15:17:02,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states.
[2024-04-28 15:17:02,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-04-28 15:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-04-28 15:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states.
[2024-04-28 15:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-04-28 15:17:08,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-04-28 15:17:09,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:17:09,109 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-28 15:17:09,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 15:17:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1416698078, now seen corresponding path program 4 times
[2024-04-28 15:17:09,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 15:17:09,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506143861]
[2024-04-28 15:17:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:17:09,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:17:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:17:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-04-28 15:17:10,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 15:17:10,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506143861]
[2024-04-28 15:17:10,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506143861] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 15:17:10,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738364852]
[2024-04-28 15:17:10,973 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-28 15:17:10,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 15:17:10,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 15:17:10,975 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 15:17:10,977 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 15:17:11,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-28 15:17:11,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 15:17:11,049 WARN L260 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 101 conjunts are in the unsatisfiable core
[2024-04-28 15:17:11,051 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 15:17:13,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:17:13,773 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 24
[2024-04-28 15:17:14,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:17:14,075 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 43
[2024-04-28 15:17:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:17:14,263 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 15:17:17,871 INFO L349 Elim1Store]: treesize reduction 5, result has 97.9 percent of original size
[2024-04-28 15:17:17,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 197 treesize of output 364
[2024-04-28 15:17:25,179 INFO L349 Elim1Store]: treesize reduction 75, result has 68.9 percent of original size
[2024-04-28 15:17:25,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 234 treesize of output 309
[2024-04-28 15:17:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 15:17:27,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738364852] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 15:17:27,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 15:17:27,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 36, 36] total 91
[2024-04-28 15:17:27,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218394815]
[2024-04-28 15:17:27,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 15:17:27,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states
[2024-04-28 15:17:27,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 15:17:27,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants.
[2024-04-28 15:17:27,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=7776, Unknown=0, NotChecked=0, Total=8372
[2024-04-28 15:17:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:17:27,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 15:17:27,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.0) internal successors, (184), 91 states have internal predecessors, (184), 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 15:17:27,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:27,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 15:17:27,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states.
[2024-04-28 15:17:27,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 15:17:27,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-04-28 15:17:27,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states.
[2024-04-28 15:17:27,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2024-04-28 15:17:27,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 15:18:46,253 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 6 treesize of output 4
[2024-04-28 15:18:46,273 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 5 treesize of output 3
[2024-04-28 15:18:46,304 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 5 treesize of output 3
[2024-04-28 15:18:46,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1851154240, now seen corresponding path program 1 times
[2024-04-28 15:18:46,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:46,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 15:18:46,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-28 15:18:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 15:18:46,498 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 5 treesize of output 3
[2024-04-28 15:18:46,541 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 6 treesize of output 4
[2024-04-28 15:18:46,610 INFO L85 PathProgramCache]: Analyzing trace with hash -354991402, now seen corresponding path program 2 times
[2024-04-28 15:18:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:46,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:18:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 45 proven. 108 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked.
[2024-04-28 15:18:46,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:46,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:18:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 45 proven. 108 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked.
[2024-04-28 15:18:47,321 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 6 treesize of output 4
[2024-04-28 15:18:47,372 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 5 treesize of output 3
[2024-04-28 15:18:47,402 INFO L85 PathProgramCache]: Analyzing trace with hash -354991401, now seen corresponding path program 1 times
[2024-04-28 15:18:47,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:47,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:18:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked.
[2024-04-28 15:18:47,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:47,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:18:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked.
[2024-04-28 15:18:47,600 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 5 treesize of output 3
[2024-04-28 15:18:47,619 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 6 treesize of output 4
[2024-04-28 15:18:47,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1851154209, now seen corresponding path program 2 times
[2024-04-28 15:18:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:47,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 15:18:47,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-28 15:18:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-28 15:18:47,872 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-04-28 15:18:47,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 15:18:47,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 85
[2024-04-28 15:18:48,007 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 6 treesize of output 4
[2024-04-28 15:18:48,039 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 6 treesize of output 4
[2024-04-28 15:18:48,059 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 6 treesize of output 4
[2024-04-28 15:18:48,107 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 6 treesize of output 4
[2024-04-28 15:18:48,159 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 6 treesize of output 4
[2024-04-28 15:18:48,459 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 106
[2024-04-28 15:18:48,598 INFO L85 PathProgramCache]: Analyzing trace with hash -411459044, now seen corresponding path program 3 times
[2024-04-28 15:18:48,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:18:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked.
[2024-04-28 15:18:48,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 15:18:48,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 15:18:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 15:18:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked.
[2024-04-28 15:18:48,847 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 15:18:49,036 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,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15
[2024-04-28 15:18:49,037 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Function c_aux_v_q2_back_23 is already defined.
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.declareFun(Scriptor.java:115)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.declareFun(HistoryRecordingScript.java:95)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.declareFun(ManagedScript.java:181)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:117)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.<init>(UnmodifiableTransFormula.java:90)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:324)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.compose(SemanticIndependenceConditionGenerator.java:178)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.withGuard(SemanticIndependenceConditionGenerator.java:186)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.generateCondition(SemanticIndependenceConditionGenerator.java:135)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:134)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:186)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1)
at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73)
at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222)
at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165)
at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.<init>(DepthFirstTraversal.java:98)
at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:321)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:328)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466)
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)
[2024-04-28 15:18:49,042 INFO L158 Benchmark]: Toolchain (without parser) took 123821.27ms. Allocated memory was 272.6MB in the beginning and 902.8MB in the end (delta: 630.2MB). Free memory was 246.4MB in the beginning and 733.8MB in the end (delta: -487.5MB). Peak memory consumption was 142.4MB. Max. memory is 8.0GB.
[2024-04-28 15:18:49,043 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-28 15:18:49,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.83ms. Allocated memory is still 272.6MB. Free memory was 246.4MB in the beginning and 244.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-04-28 15:18:49,043 INFO L158 Benchmark]: Boogie Preprocessor took 24.40ms. Allocated memory is still 272.6MB. Free memory was 244.7MB in the beginning and 243.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-28 15:18:49,044 INFO L158 Benchmark]: RCFGBuilder took 267.74ms. Allocated memory is still 272.6MB. Free memory was 243.5MB in the beginning and 232.2MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2024-04-28 15:18:49,044 INFO L158 Benchmark]: TraceAbstraction took 123475.70ms. Allocated memory was 272.6MB in the beginning and 902.8MB in the end (delta: 630.2MB). Free memory was 231.1MB in the beginning and 733.8MB in the end (delta: -502.7MB). Peak memory consumption was 126.6MB. Max. memory is 8.0GB.
[2024-04-28 15:18:49,044 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 0.11ms. Allocated memory is still 174.1MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 39.83ms. Allocated memory is still 272.6MB. Free memory was 246.4MB in the beginning and 244.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 24.40ms. Allocated memory is still 272.6MB. Free memory was 244.7MB in the beginning and 243.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 267.74ms. Allocated memory is still 272.6MB. Free memory was 243.5MB in the beginning and 232.2MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 123475.70ms. Allocated memory was 272.6MB in the beginning and 902.8MB in the end (delta: 630.2MB). Free memory was 231.1MB in the beginning and 733.8MB in the end (delta: -502.7MB). Peak memory consumption was 126.6MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: Function c_aux_v_q2_back_23 is already defined.
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Function c_aux_v_q2_back_23 is already defined.: de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-04-28 15:18:49,058 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
[2024-04-28 15:18:49,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...