/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 19:06:29,692 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-09 19:06:29,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-02-09 19:06:29,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-09 19:06:29,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-09 19:06:29,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-09 19:06:29,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2022-02-09 19:06:29,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-09 19:06:29,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-09 19:06:29,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-09 19:06:29,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-09 19:06:29,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-09 19:06:29,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-09 19:06:29,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-09 19:06:29,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-09 19:06:29,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-02-09 19:06:29,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-02-09 19:06:29,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-02-09 19:06:29,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-09 19:06:29,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-09 19:06:29,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf
[2022-02-09 19:06:29,887 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-09 19:06:29,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 19:06:29,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 19:06:29,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 19:06:29,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 19:06:29,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 19:06:29,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 19:06:29,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-09 19:06:29,890 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-09 19:06:29,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 19:06:29,890 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-09 19:06:29,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-09 19:06:29,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-09 19:06:29,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 19:06:29,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-09 19:06:29,892 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-09 19:06:29,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-09 19:06:29,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 19:06:29,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 19:06:29,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 19:06:29,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 19:06:29,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-09 19:06:29,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 19:06:29,893 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-09 19:06:29,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-09 19:06:29,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 19:06:29,894 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-09 19:06:29,894 INFO L138 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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 19:06:30,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 19:06:30,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 19:06:30,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 19:06:30,146 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-09 19:06:30,146 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-09 19:06:30,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl
[2022-02-09 19:06:30,147 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl'
[2022-02-09 19:06:30,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 19:06:30,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-09 19:06:30,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 19:06:30,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 19:06:30,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 19:06:30,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,204 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-09 19:06:30,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 19:06:30,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 19:06:30,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 19:06:30,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 19:06:30,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 19:06:30,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 19:06:30,228 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 19:06:30,228 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-09 19:06:30,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/1) ...
[2022-02-09 19:06:30,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 19:06:30,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:30,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-09 19:06:30,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-09 19:06:30,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-09 19:06:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-09 19:06:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-09 19:06:30,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-09 19:06:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-09 19:06:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-09 19:06:30,310 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-09 19:06:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 19:06:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 19:06:30,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-09 19:06:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-02-09 19:06:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-09 19:06:30,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2022-02-09 19:06:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread4
[2022-02-09 19:06:30,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4
[2022-02-09 19:06:30,314 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 19:06:30,371 INFO L234 CfgBuilder]: Building ICFG
[2022-02-09 19:06:30,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 19:06:30,518 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-09 19:06:30,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 19:06:30,527 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 19:06:30,529 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:06:30 BoogieIcfgContainer
[2022-02-09 19:06:30,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 19:06:30,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 19:06:30,530 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 19:06:30,553 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-09 19:06:30,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:06:30" (1/2) ...
[2022-02-09 19:06:30,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ee09e6 and model type min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 07:06:30, skipping insertion in model container
[2022-02-09 19:06:30,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:06:30" (2/2) ...
[2022-02-09 19:06:30,556 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc.wvr.bpl
[2022-02-09 19:06:30,559 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 19:06:30,559 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 19:06:30,559 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 19:06:30,559 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 19:06:30,617 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-02-09 19:06:30,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-09 19:06:30,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:30,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-09 19:06:30,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-09 19:06:30,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 19:06:30,764 INFO L339 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, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2022-02-09 19:06:30,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-02-09 19:06:30,770 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 35 transitions, 102 flow
[2022-02-09 19:06:30,970 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 710 states, 709 states have (on average 3.6473906911142455) internal successors, (2586), 709 states have internal predecessors, (2586), 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)
[2022-02-09 19:06:31,057 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 359 transitions and produced 319 states.
[2022-02-09 19:06:31,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:06:31,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:06:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash -344369045, now seen corresponding path program 1 times
[2022-02-09 19:06:31,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:06:31,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679273487]
[2022-02-09 19:06:31,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:06:31,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:06:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:06:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 70 proven. 139 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2022-02-09 19:06:32,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:06:32,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679273487]
[2022-02-09 19:06:32,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679273487] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:06:32,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669321049]
[2022-02-09 19:06:32,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:06:32,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:32,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:32,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:06:32,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-09 19:06:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:06:32,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 16 conjunts are in the unsatisfiable core
[2022-02-09 19:06:32,175 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:06:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 87 proven. 122 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2022-02-09 19:06:32,437 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:06:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 87 proven. 122 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2022-02-09 19:06:32,822 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669321049] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:06:32,822 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:06:32,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 27
[2022-02-09 19:06:32,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821305537]
[2022-02-09 19:06:32,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:06:32,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2022-02-09 19:06:32,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:06:32,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2022-02-09 19:06:32,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756
[2022-02-09 19:06:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:32,850 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:06:32,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.357142857142857) internal successors, (122), 27 states have internal predecessors, (122), 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)
[2022-02-09 19:06:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:33,622 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 401 transitions and produced 356 states.
[2022-02-09 19:06:33,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:33,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-09 19:06:33,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2022-02-09 19:06:33,842 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:06:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:06:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2095025683, now seen corresponding path program 2 times
[2022-02-09 19:06:33,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:06:33,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337259922]
[2022-02-09 19:06:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:06:33,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:06:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:06:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 214 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 19:06:34,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:06:34,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337259922]
[2022-02-09 19:06:34,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337259922] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:06:34,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074704846]
[2022-02-09 19:06:34,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 19:06:34,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:34,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:34,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:06:34,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-09 19:06:34,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 19:06:34,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:06:34,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 20 conjunts are in the unsatisfiable core
[2022-02-09 19:06:34,549 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:06:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 156 proven. 89 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2022-02-09 19:06:35,158 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:06:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 156 proven. 89 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2022-02-09 19:06:35,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074704846] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:06:35,499 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:06:35,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 20, 20] total 56
[2022-02-09 19:06:35,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720883138]
[2022-02-09 19:06:35,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:06:35,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2022-02-09 19:06:35,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:06:35,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2022-02-09 19:06:35,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=2811, Unknown=0, NotChecked=0, Total=3192
[2022-02-09 19:06:35,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:35,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:06:35,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.9649122807017543) internal successors, (169), 56 states have internal predecessors, (169), 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)
[2022-02-09 19:06:35,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:35,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:37,457 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 482 transitions and produced 424 states.
[2022-02-09 19:06:37,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:37,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states.
[2022-02-09 19:06:37,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-09 19:06:37,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:37,658 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:06:37,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:06:37,659 INFO L85 PathProgramCache]: Analyzing trace with hash -857448187, now seen corresponding path program 3 times
[2022-02-09 19:06:37,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:06:37,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492297411]
[2022-02-09 19:06:37,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:06:37,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:06:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:06:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 412 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 19:06:38,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:06:38,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492297411]
[2022-02-09 19:06:38,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492297411] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:06:38,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173446808]
[2022-02-09 19:06:38,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 19:06:38,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:38,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:38,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:06:38,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-09 19:06:38,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s)
[2022-02-09 19:06:38,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:06:38,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 27 conjunts are in the unsatisfiable core
[2022-02-09 19:06:38,838 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:06:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 387 proven. 100 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked.
[2022-02-09 19:06:39,789 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:06:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 387 proven. 100 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked.
[2022-02-09 19:06:40,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173446808] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:06:40,343 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:06:40,343 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 27, 27] total 73
[2022-02-09 19:06:40,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138204296]
[2022-02-09 19:06:40,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:06:40,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states
[2022-02-09 19:06:40,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:06:40,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants.
[2022-02-09 19:06:40,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=4567, Unknown=0, NotChecked=0, Total=5402
[2022-02-09 19:06:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:40,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:06:40,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.7972972972972974) internal successors, (207), 73 states have internal predecessors, (207), 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)
[2022-02-09 19:06:40,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:40,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states.
[2022-02-09 19:06:40,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:41,578 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 628 transitions and produced 538 states.
[2022-02-09 19:06:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:06:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:06:41,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-09 19:06:41,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:41,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:06:41,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:06:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash 390292173, now seen corresponding path program 4 times
[2022-02-09 19:06:41,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:06:41,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837107106]
[2022-02-09 19:06:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:06:41,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:06:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:06:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 324 proven. 498 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked.
[2022-02-09 19:06:42,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:06:42,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837107106]
[2022-02-09 19:06:42,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837107106] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:06:42,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986428773]
[2022-02-09 19:06:42,460 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 19:06:42,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:42,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:42,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:06:42,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-09 19:06:42,591 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 19:06:42,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:06:42,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 40 conjunts are in the unsatisfiable core
[2022-02-09 19:06:42,623 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:06:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 434 proven. 369 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2022-02-09 19:06:44,076 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:06:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 434 proven. 369 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2022-02-09 19:06:44,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986428773] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:06:44,468 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:06:44,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38, 38] total 76
[2022-02-09 19:06:44,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843780511]
[2022-02-09 19:06:44,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:06:44,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2022-02-09 19:06:44,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:06:44,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2022-02-09 19:06:44,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=803, Invalid=5049, Unknown=0, NotChecked=0, Total=5852
[2022-02-09 19:06:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:44,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:06:44,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.9220779220779223) internal successors, (225), 76 states have internal predecessors, (225), 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)
[2022-02-09 19:06:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:06:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:06:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:48,533 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 719 transitions and produced 616 states.
[2022-02-09 19:06:48,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:48,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:06:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:06:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states.
[2022-02-09 19:06:48,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-09 19:06:48,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:48,735 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:06:48,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:06:48,735 INFO L85 PathProgramCache]: Analyzing trace with hash -714641837, now seen corresponding path program 5 times
[2022-02-09 19:06:48,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:06:48,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283491441]
[2022-02-09 19:06:48,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:06:48,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:06:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:06:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 324 proven. 707 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked.
[2022-02-09 19:06:49,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:06:49,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283491441]
[2022-02-09 19:06:49,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283491441] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:06:49,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971559976]
[2022-02-09 19:06:49,410 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 19:06:49,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:49,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:49,426 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:06:49,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-09 19:06:50,370 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s)
[2022-02-09 19:06:50,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:06:50,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 43 conjunts are in the unsatisfiable core
[2022-02-09 19:06:50,380 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:06:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 646 proven. 400 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked.
[2022-02-09 19:06:51,675 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:06:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 646 proven. 400 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked.
[2022-02-09 19:06:52,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971559976] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:06:52,061 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:06:52,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43, 43] total 83
[2022-02-09 19:06:52,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359269672]
[2022-02-09 19:06:52,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:06:52,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states
[2022-02-09 19:06:52,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:06:52,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants.
[2022-02-09 19:06:52,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=6026, Unknown=0, NotChecked=0, Total=6972
[2022-02-09 19:06:52,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:52,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:06:52,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 2.4761904761904763) internal successors, (208), 83 states have internal predecessors, (208), 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)
[2022-02-09 19:06:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:06:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:06:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states.
[2022-02-09 19:06:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:06:54,469 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 807 transitions and produced 692 states.
[2022-02-09 19:06:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:06:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:06:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:06:54,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states.
[2022-02-09 19:06:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states.
[2022-02-09 19:06:54,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-09 19:06:54,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:54,675 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:06:54,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:06:54,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1338061323, now seen corresponding path program 6 times
[2022-02-09 19:06:54,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:06:54,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776109530]
[2022-02-09 19:06:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:06:54,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:06:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:06:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 576 proven. 823 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked.
[2022-02-09 19:06:55,521 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:06:55,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776109530]
[2022-02-09 19:06:55,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776109530] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:06:55,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972890990]
[2022-02-09 19:06:55,522 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 19:06:55,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:06:55,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:06:55,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:06:55,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-09 19:06:55,802 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s)
[2022-02-09 19:06:55,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:06:55,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 44 conjunts are in the unsatisfiable core
[2022-02-09 19:06:55,809 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:06:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-02-09 19:06:57,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16
[2022-02-09 19:06:57,243 INFO L353 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size
[2022-02-09 19:06:57,243 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 22
[2022-02-09 19:06:57,647 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size
[2022-02-09 19:06:57,647 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24
[2022-02-09 19:06:57,896 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 19:06:57,896 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 35 treesize of output 35
[2022-02-09 19:06:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 148 proven. 560 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked.
[2022-02-09 19:06:58,382 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:07:00,799 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-02-09 19:07:00,799 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-02-09 19:07:00,800 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-02-09 19:07:00,821 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size
[2022-02-09 19:07:00,823 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 29
[2022-02-09 19:07:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 251 proven. 367 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked.
[2022-02-09 19:07:01,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972890990] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:07:01,006 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:07:01,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 19, 22] total 86
[2022-02-09 19:07:01,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358561540]
[2022-02-09 19:07:01,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:07:01,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states
[2022-02-09 19:07:01,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:07:01,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants.
[2022-02-09 19:07:01,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=6482, Unknown=0, NotChecked=0, Total=7310
[2022-02-09 19:07:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:07:01,009 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:07:01,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.686046511627907) internal successors, (231), 86 states have internal predecessors, (231), 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)
[2022-02-09 19:07:01,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:07:01,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:07:01,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:07:01,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states.
[2022-02-09 19:07:01,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states.
[2022-02-09 19:07:01,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:07:05,992 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 789 transitions and produced 645 states.
[2022-02-09 19:07:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:07:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:07:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:07:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states.
[2022-02-09 19:07:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states.
[2022-02-09 19:07:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states.
[2022-02-09 19:07:06,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-09 19:07:06,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:07:06,207 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:07:06,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:07:06,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1535042943, now seen corresponding path program 7 times
[2022-02-09 19:07:06,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:07:06,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984116303]
[2022-02-09 19:07:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:07:06,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:07:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:07:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 576 proven. 770 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked.
[2022-02-09 19:07:07,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:07:07,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984116303]
[2022-02-09 19:07:07,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984116303] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:07:07,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824357486]
[2022-02-09 19:07:07,028 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 19:07:07,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:07:07,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:07:07,029 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:07:07,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-02-09 19:07:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:07:07,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 48 conjunts are in the unsatisfiable core
[2022-02-09 19:07:07,122 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:07:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 625 proven. 721 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked.
[2022-02-09 19:07:07,570 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:07:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 625 proven. 721 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked.
[2022-02-09 19:07:08,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824357486] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:07:08,308 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:07:08,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 59
[2022-02-09 19:07:08,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828089932]
[2022-02-09 19:07:08,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:07:08,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states
[2022-02-09 19:07:08,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:07:08,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants.
[2022-02-09 19:07:08,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=913, Invalid=2627, Unknown=0, NotChecked=0, Total=3540
[2022-02-09 19:07:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:07:08,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:07:08,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.933333333333333) internal successors, (176), 59 states have internal predecessors, (176), 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)
[2022-02-09 19:07:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:07:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:07:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:07:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states.
[2022-02-09 19:07:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states.
[2022-02-09 19:07:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states.
[2022-02-09 19:07:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:07:10,158 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 887 transitions and produced 755 states.
[2022-02-09 19:07:10,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:07:10,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:07:10,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:07:10,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states.
[2022-02-09 19:07:10,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states.
[2022-02-09 19:07:10,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states.
[2022-02-09 19:07:10,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:07:10,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2022-02-09 19:07:10,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2022-02-09 19:07:10,360 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:07:10,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:07:10,361 INFO L85 PathProgramCache]: Analyzing trace with hash -985651273, now seen corresponding path program 8 times
[2022-02-09 19:07:10,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:07:10,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321728935]
[2022-02-09 19:07:10,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:07:10,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:07:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:07:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 1231 proven. 676 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked.
[2022-02-09 19:07:12,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:07:12,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321728935]
[2022-02-09 19:07:12,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321728935] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:07:12,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894414129]
[2022-02-09 19:07:12,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 19:07:12,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:07:12,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:07:12,203 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:07:12,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-02-09 19:07:12,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 19:07:12,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:07:12,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 55 conjunts are in the unsatisfiable core
[2022-02-09 19:07:12,359 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:07:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 1211 proven. 676 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked.
[2022-02-09 19:07:12,821 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:07:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 1211 proven. 676 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked.
[2022-02-09 19:07:13,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894414129] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:07:13,200 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:07:13,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 55, 55] total 60
[2022-02-09 19:07:13,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312546331]
[2022-02-09 19:07:13,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:07:13,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states
[2022-02-09 19:07:13,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:07:13,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants.
[2022-02-09 19:07:13,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=962, Invalid=2698, Unknown=0, NotChecked=0, Total=3660
[2022-02-09 19:07:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:07:13,208 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:07:13,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.557377049180328) internal successors, (156), 60 states have internal predecessors, (156), 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)
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states.
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states.
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states.
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:07:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:07:33,606 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5974 transitions and produced 2755 states.
[2022-02-09 19:07:33,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:07:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:07:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:07:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:07:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:07:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:07:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:07:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:07:33,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2022-02-09 19:07:33,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:07:33,826 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:07:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:07:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash 249615511, now seen corresponding path program 9 times
[2022-02-09 19:07:33,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:07:33,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066225917]
[2022-02-09 19:07:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:07:33,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:07:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:07:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16173 backedges. 14880 proven. 1293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 19:07:43,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:07:43,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066225917]
[2022-02-09 19:07:43,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066225917] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:07:43,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69006513]
[2022-02-09 19:07:43,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 19:07:43,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:07:43,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:07:43,416 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:07:43,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-02-09 19:07:47,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 76 check-sat command(s)
[2022-02-09 19:07:47,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:07:47,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 105 conjunts are in the unsatisfiable core
[2022-02-09 19:07:47,545 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:07:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16173 backedges. 6939 proven. 1024 refuted. 0 times theorem prover too weak. 8210 trivial. 0 not checked.
[2022-02-09 19:07:53,709 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:07:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 16173 backedges. 5866 proven. 4855 refuted. 0 times theorem prover too weak. 5452 trivial. 0 not checked.
[2022-02-09 19:07:56,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69006513] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:07:56,433 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:07:56,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [187, 67, 88] total 274
[2022-02-09 19:07:56,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537752683]
[2022-02-09 19:07:56,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:07:56,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 275 states
[2022-02-09 19:07:56,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:07:56,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 275 interpolants.
[2022-02-09 19:07:56,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13961, Invalid=61389, Unknown=0, NotChecked=0, Total=75350
[2022-02-09 19:07:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:07:56,446 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:07:56,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 275 states, 275 states have (on average 2.1672727272727275) internal successors, (596), 274 states have internal predecessors, (596), 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)
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:07:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:08:02,312 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6040 transitions and produced 2809 states.
[2022-02-09 19:08:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:08:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:08:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:08:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:08:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:08:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:08:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:08:02,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:08:02,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states.
[2022-02-09 19:08:02,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-02-09 19:08:02,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2022-02-09 19:08:02,532 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:08:02,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:08:02,532 INFO L85 PathProgramCache]: Analyzing trace with hash -958498205, now seen corresponding path program 10 times
[2022-02-09 19:08:02,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:08:02,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565086091]
[2022-02-09 19:08:02,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:08:02,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:08:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:08:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 16593 backedges. 1296 proven. 14703 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked.
[2022-02-09 19:08:04,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:08:04,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565086091]
[2022-02-09 19:08:04,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565086091] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:08:04,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102596567]
[2022-02-09 19:08:04,207 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 19:08:04,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:08:04,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:08:04,208 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:08:04,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-02-09 19:08:04,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 19:08:04,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:08:04,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 79 conjunts are in the unsatisfiable core
[2022-02-09 19:08:04,394 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:08:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16593 backedges. 8045 proven. 1444 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked.
[2022-02-09 19:08:07,829 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:08:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16593 backedges. 8045 proven. 1444 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked.
[2022-02-09 19:08:08,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102596567] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:08:08,655 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:08:08,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 79, 79] total 153
[2022-02-09 19:08:08,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906004895]
[2022-02-09 19:08:08,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:08:08,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 154 states
[2022-02-09 19:08:08,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:08:08,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants.
[2022-02-09 19:08:08,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3083, Invalid=20479, Unknown=0, NotChecked=0, Total=23562
[2022-02-09 19:08:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:08:08,667 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:08:08,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 2.75974025974026) internal successors, (425), 153 states have internal predecessors, (425), 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)
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states.
[2022-02-09 19:08:08,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:08:15,529 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6640 transitions and produced 3069 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states.
[2022-02-09 19:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states.
[2022-02-09 19:08:15,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2022-02-09 19:08:15,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-02-09 19:08:15,750 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:08:15,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:08:15,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1087836473, now seen corresponding path program 11 times
[2022-02-09 19:08:15,751 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:08:15,751 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72077384]
[2022-02-09 19:08:15,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:08:15,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:08:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:08:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 22113 backedges. 1764 proven. 19719 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked.
[2022-02-09 19:08:17,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:08:17,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72077384]
[2022-02-09 19:08:17,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72077384] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:08:17,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734954778]
[2022-02-09 19:08:17,912 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 19:08:17,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:08:17,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:08:17,914 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:08:17,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-02-09 19:17:04,489 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 111 check-sat command(s)
[2022-02-09 19:17:04,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:17:04,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 92 conjunts are in the unsatisfiable core
[2022-02-09 19:17:04,705 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:17:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22113 backedges. 11026 proven. 1936 refuted. 0 times theorem prover too weak. 9151 trivial. 0 not checked.
[2022-02-09 19:17:09,646 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:17:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 22113 backedges. 11026 proven. 1936 refuted. 0 times theorem prover too weak. 9151 trivial. 0 not checked.
[2022-02-09 19:17:10,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734954778] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:17:10,782 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:17:10,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 92, 92] total 180
[2022-02-09 19:17:10,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522246914]
[2022-02-09 19:17:10,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:17:10,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states
[2022-02-09 19:17:10,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:17:10,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants.
[2022-02-09 19:17:10,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4239, Invalid=28341, Unknown=0, NotChecked=0, Total=32580
[2022-02-09 19:17:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:17:10,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:17:10,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 2.9171270718232045) internal successors, (528), 180 states have internal predecessors, (528), 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)
[2022-02-09 19:17:10,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:17:10,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:17:10,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:17:10,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:17:10,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:17:10,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:17:10,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:17:10,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:17:10,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states.
[2022-02-09 19:17:10,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states.
[2022-02-09 19:17:10,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:17:20,268 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7539 transitions and produced 3466 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states.
[2022-02-09 19:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states.
[2022-02-09 19:17:20,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2022-02-09 19:17:20,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2022-02-09 19:17:20,496 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:17:20,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:17:20,496 INFO L85 PathProgramCache]: Analyzing trace with hash -495868659, now seen corresponding path program 12 times
[2022-02-09 19:17:20,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:17:20,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489781443]
[2022-02-09 19:17:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:17:20,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:17:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:17:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 28526 backedges. 2401 proven. 25459 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked.
[2022-02-09 19:17:23,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:17:23,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489781443]
[2022-02-09 19:17:23,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489781443] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:17:23,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998590041]
[2022-02-09 19:17:23,744 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 19:17:23,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:17:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:17:23,746 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:17:23,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2022-02-09 19:18:25,519 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 123 check-sat command(s)
[2022-02-09 19:18:25,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:18:25,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 216 conjunts are in the unsatisfiable core
[2022-02-09 19:18:25,617 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:18:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 28526 backedges. 25924 proven. 2601 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 19:18:43,153 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:19:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 28526 backedges. 23802 proven. 4724 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 19:19:01,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998590041] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:19:01,915 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:19:01,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 207, 213] total 471
[2022-02-09 19:19:01,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287744921]
[2022-02-09 19:19:01,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:19:01,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 472 states
[2022-02-09 19:19:01,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:19:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 472 interpolants.
[2022-02-09 19:19:01,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42674, Invalid=179638, Unknown=0, NotChecked=0, Total=222312
[2022-02-09 19:19:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:19:01,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:19:01,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 472 states, 472 states have (on average 2.63771186440678) internal successors, (1245), 471 states have internal predecessors, (1245), 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)
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states.
[2022-02-09 19:19:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:19:35,253 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8996 transitions and produced 4267 states.
[2022-02-09 19:19:35,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:19:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states.
[2022-02-09 19:19:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states.
[2022-02-09 19:19:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:19:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:19:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 19:19:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:19:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:19:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states.
[2022-02-09 19:19:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states.
[2022-02-09 19:19:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states.
[2022-02-09 19:19:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states.
[2022-02-09 19:19:35,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2022-02-09 19:19:35,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-02-09 19:19:35,537 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:19:35,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:19:35,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1040968169, now seen corresponding path program 13 times
[2022-02-09 19:19:35,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:19:35,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872251247]
[2022-02-09 19:19:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:19:35,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:19:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:19:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 44066 backedges. 42840 proven. 889 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked.
[2022-02-09 19:19:43,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:19:43,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872251247]
[2022-02-09 19:19:43,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872251247] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:19:43,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308812285]
[2022-02-09 19:19:43,504 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 19:19:43,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:19:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:19:43,509 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:19:43,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2022-02-09 19:19:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:19:43,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 221 conjunts are in the unsatisfiable core
[2022-02-09 19:19:43,844 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:20:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 44066 backedges. 27879 proven. 11881 refuted. 0 times theorem prover too weak. 4306 trivial. 0 not checked.
[2022-02-09 19:20:07,014 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:20:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 44066 backedges. 27879 proven. 11881 refuted. 0 times theorem prover too weak. 4306 trivial. 0 not checked.
[2022-02-09 19:20:07,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308812285] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:20:07,984 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:20:07,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [181, 221, 221] total 401
[2022-02-09 19:20:07,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751679450]
[2022-02-09 19:20:07,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:20:07,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 402 states
[2022-02-09 19:20:07,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:20:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 402 interpolants.
[2022-02-09 19:20:07,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21246, Invalid=139956, Unknown=0, NotChecked=0, Total=161202
[2022-02-09 19:20:07,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:20:07,997 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:20:07,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 402 states, 402 states have (on average 2.470149253731343) internal successors, (993), 401 states have internal predecessors, (993), 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)
[2022-02-09 19:20:07,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:20:07,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states.
[2022-02-09 19:20:07,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 19:20:36,615 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4201 transitions and produced 3248 states.
[2022-02-09 19:20:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states.
[2022-02-09 19:20:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states.
[2022-02-09 19:20:36,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states.
[2022-02-09 19:20:36,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2022-02-09 19:20:36,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:20:36,837 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-09 19:20:36,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:20:36,837 INFO L85 PathProgramCache]: Analyzing trace with hash -431075193, now seen corresponding path program 14 times
[2022-02-09 19:20:36,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:20:36,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266027242]
[2022-02-09 19:20:36,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:20:36,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:20:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:20:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 63787 backedges. 62826 proven. 621 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked.
[2022-02-09 19:20:50,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:20:50,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266027242]
[2022-02-09 19:20:50,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266027242] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:20:50,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513655826]
[2022-02-09 19:20:50,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 19:20:50,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:20:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:20:50,204 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:20:50,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2022-02-09 19:20:50,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 19:20:50,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:20:50,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 233 conjunts are in the unsatisfiable core
[2022-02-09 19:20:50,555 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:21:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 63787 backedges. 38694 proven. 13225 refuted. 0 times theorem prover too weak. 11868 trivial. 0 not checked.
[2022-02-09 19:21:20,360 INFO L328 TraceCheckSpWp]: Computing backward predicates...
Received shutdown request...
[2022-02-09 19:21:20,717 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining)
[2022-02-09 19:21:20,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2022-02-09 19:21:20,764 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-09 19:21:20,764 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-09 19:21:20,764 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-09 19:21:20,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:21:20,919 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 794 with TraceHistMax 219,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 467 known predicates.
[2022-02-09 19:21:20,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining)
[2022-02-09 19:21:20,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining)
[2022-02-09 19:21:20,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining)
[2022-02-09 19:21:20,921 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining)
[2022-02-09 19:21:20,924 INFO L732 BasicCegarLoop]: Path program histogram: [14]
[2022-02-09 19:21:20,926 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 19:21:20,926 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 19:21:20,939 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:21:20 BasicIcfg
[2022-02-09 19:21:20,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 19:21:20,940 INFO L158 Benchmark]: Toolchain (without parser) took 890754.18ms. Allocated memory was 188.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 151.6MB in the beginning and 584.4MB in the end (delta: -432.8MB). Peak memory consumption was 943.9MB. Max. memory is 8.0GB.
[2022-02-09 19:21:20,940 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 19:21:20,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.22ms. Allocated memory is still 188.7MB. Free memory was 151.4MB in the beginning and 149.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 19:21:20,940 INFO L158 Benchmark]: Boogie Preprocessor took 20.75ms. Allocated memory is still 188.7MB. Free memory was 149.9MB in the beginning and 148.9MB in the end (delta: 991.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 19:21:20,941 INFO L158 Benchmark]: RCFGBuilder took 301.31ms. Allocated memory is still 188.7MB. Free memory was 148.9MB in the beginning and 139.2MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-09 19:21:20,941 INFO L158 Benchmark]: TraceAbstraction took 890409.19ms. Allocated memory was 188.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 138.6MB in the beginning and 584.4MB in the end (delta: -445.8MB). Peak memory consumption was 930.3MB. Max. memory is 8.0GB.
[2022-02-09 19:21:20,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 19.22ms. Allocated memory is still 188.7MB. Free memory was 151.4MB in the beginning and 149.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 20.75ms. Allocated memory is still 188.7MB. Free memory was 149.9MB in the beginning and 148.9MB in the end (delta: 991.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 301.31ms. Allocated memory is still 188.7MB. Free memory was 148.9MB in the beginning and 139.2MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 890409.19ms. Allocated memory was 188.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 138.6MB in the beginning and 584.4MB in the end (delta: -445.8MB). Peak memory consumption was 930.3MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction)
Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 794 with TraceHistMax 219,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 467 known predicates.
- TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 794 with TraceHistMax 219,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 467 known predicates.
- TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 794 with TraceHistMax 219,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 467 known predicates.
- TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 794 with TraceHistMax 219,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 467 known predicates.
- TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 794 with TraceHistMax 219,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 467 known predicates.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 890.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 122.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=710occurred in iteration=0, InterpolantAutomatonStates: 2047, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 595.4s SatisfiabilityAnalysisTime, 124.0s InterpolantComputationTime, 7102 NumberOfCodeBlocks, 6988 NumberOfCodeBlocksAsserted, 397 NumberOfCheckSat, 10614 ConstructedInterpolants, 117 QuantifiedInterpolants, 52044 SizeOfPredicates, 43 NumberOfNonLiveVariables, 9077 ConjunctsInSsa, 1006 ConjunctsInUnsatCore, 39 InterpolantComputations, 0 PerfectInterpolantSequences, 295178/410838 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown