/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-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 16:05:01,813 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 16:05:01,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 16:05:01,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 16:05:01,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 16:05:01,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 16:05:01,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 16:05:01,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2022-02-19 16:05:01,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
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[2022-02-19 16:05:01,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 16:05:01,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 16:05:01,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 16:05:01,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 16:05:01,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 16:05:01,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 16:05:01,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 16:05:01,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 16:05:01,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 16:05:01,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 16:05:01,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 16:05:01,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-19 16:05:01,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 16:05:01,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2022-02-19 16:05:01,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
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[2022-02-19 16:05:01,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-02-19 16:05:01,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-02-19 16:05:01,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2022-02-19 16:05:01,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-19 16:05:01,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 16:05:01,904 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-Lazy-NoForkJoinOpt.epf
[2022-02-19 16:05:01,927 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 16:05:01,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 16:05:01,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 16:05:01,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 16:05:01,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 16:05:01,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 16:05:01,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 16:05:01,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 16:05:01,930 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 16:05:01,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 16:05:01,930 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 16:05:01,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 16:05:01,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 16:05:01,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 16:05:01,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 16:05:01,933 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 16:05:01,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 16:05:01,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 16:05:01,933 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 16:05:01,933 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false
[2022-02-19 16:05:01,933 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 16:05:02,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 16:05:02,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 16:05:02,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 16:05:02,133 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-19 16:05:02,133 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-19 16:05:02,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl
[2022-02-19 16:05:02,135 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl'
[2022-02-19 16:05:02,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 16:05:02,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-19 16:05:02,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 16:05:02,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 16:05:02,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 16:05:02,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,179 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-19 16:05:02,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 16:05:02,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 16:05:02,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 16:05:02,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 16:05:02,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 16:05:02,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 16:05:02,200 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 16:05:02,201 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 16:05:02,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/1) ...
[2022-02-19 16:05:02,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 16:05:02,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:05:02,230 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)
[2022-02-19 16:05:02,249 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
[2022-02-19 16:05:02,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-19 16:05:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-19 16:05:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-19 16:05:02,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-19 16:05:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-19 16:05:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-19 16:05:02,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-19 16:05:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 16:05:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 16:05:02,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-19 16:05:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-02-19 16:05:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-19 16:05:02,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2022-02-19 16:05:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread4
[2022-02-19 16:05:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4
[2022-02-19 16:05:02,264 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 16:05:02,299 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 16:05:02,300 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 16:05:02,438 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 16:05:02,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 16:05:02,468 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 16:05:02,470 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:05:02 BoogieIcfgContainer
[2022-02-19 16:05:02,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 16:05:02,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 16:05:02,471 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 16:05:02,477 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 16:05:02,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:05:02" (1/2) ...
[2022-02-19 16:05:02,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119398af and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:05:02, skipping insertion in model container
[2022-02-19 16:05:02,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:05:02" (2/2) ...
[2022-02-19 16:05:02,479 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl
[2022-02-19 16:05:02,483 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 16:05:02,483 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 16:05:02,483 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 16:05:02,483 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 16:05:02,568 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-02-19 16:05:02,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 16:05:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:05:02,629 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)
[2022-02-19 16:05:02,630 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
[2022-02-19 16:05:02,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 16:05:02,674 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=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true
[2022-02-19 16:05:02,674 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-02-19 16:05:02,841 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1846 transitions and produced 1635 states.
[2022-02-19 16:05:02,843 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-19 16:05:02,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:05:02,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1737980979, now seen corresponding path program 1 times
[2022-02-19 16:05:02,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:05:02,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021994545]
[2022-02-19 16:05:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:05:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:05:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:05:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 4800 proven. 3080 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked.
[2022-02-19 16:05:03,943 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:05:03,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021994545]
[2022-02-19 16:05:03,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021994545] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:05:03,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94526332]
[2022-02-19 16:05:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:05:03,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:05:03,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:05:03,948 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)
[2022-02-19 16:05:03,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-19 16:05:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:05:04,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 87 conjunts are in the unsatisfiable core
[2022-02-19 16:05:04,149 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:05:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 8454 proven. 42 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2022-02-19 16:05:07,736 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:05:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 2587 proven. 5929 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2022-02-19 16:05:11,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94526332] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:05:11,375 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:05:11,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 67, 87] total 171
[2022-02-19 16:05:11,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809066558]
[2022-02-19 16:05:11,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:05:11,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states
[2022-02-19 16:05:11,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:05:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants.
[2022-02-19 16:05:11,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8321, Invalid=21091, Unknown=0, NotChecked=0, Total=29412
[2022-02-19 16:05:11,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:05:11,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:05:11,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 3.4186046511627906) internal successors, (588), 171 states have internal predecessors, (588), 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)
[2022-02-19 16:05:11,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:05:24,536 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3159 transitions and produced 2446 states.
[2022-02-19 16:05:24,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states.
[2022-02-19 16:05:24,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-19 16:05:24,738 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
[2022-02-19 16:05:24,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-19 16:05:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:05:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash 985023341, now seen corresponding path program 2 times
[2022-02-19 16:05:24,739 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:05:24,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113316008]
[2022-02-19 16:05:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:05:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:05:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:05:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 3844 proven. 5726 refuted. 0 times theorem prover too weak. 9362 trivial. 0 not checked.
[2022-02-19 16:05:28,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:05:28,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113316008]
[2022-02-19 16:05:28,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113316008] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:05:28,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868155754]
[2022-02-19 16:05:28,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-19 16:05:28,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:05:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:05:28,139 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)
[2022-02-19 16:05:28,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-19 16:05:28,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-19 16:05:28,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:05:28,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 132 conjunts are in the unsatisfiable core
[2022-02-19 16:05:28,353 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:05:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked.
[2022-02-19 16:05:37,579 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:05:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked.
[2022-02-19 16:05:43,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868155754] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:05:43,826 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:05:43,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 132, 132] total 277
[2022-02-19 16:05:43,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774724228]
[2022-02-19 16:05:43,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:05:43,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 278 states
[2022-02-19 16:05:43,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:05:43,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants.
[2022-02-19 16:05:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15223, Invalid=61783, Unknown=0, NotChecked=0, Total=77006
[2022-02-19 16:05:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:05:43,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:05:43,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 2.6546762589928057) internal successors, (738), 277 states have internal predecessors, (738), 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)
[2022-02-19 16:05:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states.
[2022-02-19 16:05:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:06:04,188 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4419 transitions and produced 3552 states.
[2022-02-19 16:06:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:06:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:06:04,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2022-02-19 16:06:04,389 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
[2022-02-19 16:06:04,389 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-19 16:06:04,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:06:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1015983693, now seen corresponding path program 3 times
[2022-02-19 16:06:04,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:06:04,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567486280]
[2022-02-19 16:06:04,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:06:04,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:06:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:06:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 8920 proven. 21932 refuted. 0 times theorem prover too weak. 10285 trivial. 0 not checked.
[2022-02-19 16:06:08,274 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:06:08,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567486280]
[2022-02-19 16:06:08,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567486280] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:06:08,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548125839]
[2022-02-19 16:06:08,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-19 16:06:08,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:06:08,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:06:08,276 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)
[2022-02-19 16:06:08,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-19 16:06:08,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 84 check-sat command(s)
[2022-02-19 16:06:08,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:06:08,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 146 conjunts are in the unsatisfiable core
[2022-02-19 16:06:08,886 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:06:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 16581 proven. 19503 refuted. 0 times theorem prover too weak. 5053 trivial. 0 not checked.
[2022-02-19 16:06:22,445 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:06:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 13018 proven. 23098 refuted. 0 times theorem prover too weak. 5021 trivial. 0 not checked.
[2022-02-19 16:06:34,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548125839] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:06:34,734 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:06:34,734 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 138, 144] total 314
[2022-02-19 16:06:34,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946695193]
[2022-02-19 16:06:34,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:06:34,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 315 states
[2022-02-19 16:06:34,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:06:34,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants.
[2022-02-19 16:06:34,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13107, Invalid=85803, Unknown=0, NotChecked=0, Total=98910
[2022-02-19 16:06:34,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:06:34,744 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:06:34,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 315 states, 315 states have (on average 4.196825396825397) internal successors, (1322), 314 states have internal predecessors, (1322), 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)
[2022-02-19 16:06:34,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:06:34,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:06:34,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:08:40,037 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4702 transitions and produced 3709 states.
[2022-02-19 16:08:40,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:08:40,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:08:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states.
[2022-02-19 16:08:40,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2022-02-19 16:08:40,238 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
[2022-02-19 16:08:40,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-19 16:08:40,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:08:40,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1522875375, now seen corresponding path program 4 times
[2022-02-19 16:08:40,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:08:40,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632255979]
[2022-02-19 16:08:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:08:40,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:08:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:08:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 10183 proven. 24626 refuted. 0 times theorem prover too weak. 11811 trivial. 0 not checked.
[2022-02-19 16:08:45,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:08:45,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632255979]
[2022-02-19 16:08:45,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632255979] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:08:45,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285736801]
[2022-02-19 16:08:45,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-19 16:08:45,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:08:45,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:08:45,203 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)
[2022-02-19 16:08:45,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-19 16:08:45,492 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-19 16:08:45,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:08:45,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 179 conjunts are in the unsatisfiable core
[2022-02-19 16:08:45,519 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:09:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 22833 proven. 12153 refuted. 0 times theorem prover too weak. 11634 trivial. 0 not checked.
[2022-02-19 16:09:04,412 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:09:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 20054 proven. 14938 refuted. 0 times theorem prover too weak. 11628 trivial. 0 not checked.
[2022-02-19 16:09:23,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285736801] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:09:23,905 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:09:23,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 173, 179] total 405
[2022-02-19 16:09:23,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452791050]
[2022-02-19 16:09:23,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:09:23,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 406 states
[2022-02-19 16:09:23,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:09:23,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 406 interpolants.
[2022-02-19 16:09:23,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24620, Invalid=139810, Unknown=0, NotChecked=0, Total=164430
[2022-02-19 16:09:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:09:23,921 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:09:23,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 406 states, 406 states have (on average 3.1748768472906406) internal successors, (1289), 405 states have internal predecessors, (1289), 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)
[2022-02-19 16:09:23,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:09:23,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:09:23,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states.
[2022-02-19 16:09:23,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:11:24,153 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5561 transitions and produced 4264 states.
[2022-02-19 16:11:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:11:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:11:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states.
[2022-02-19 16:11:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states.
[2022-02-19 16:11:24,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-19 16:11:24,354 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
[2022-02-19 16:11:24,354 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-19 16:11:24,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:11:24,354 INFO L85 PathProgramCache]: Analyzing trace with hash 88677491, now seen corresponding path program 5 times
[2022-02-19 16:11:24,355 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:11:24,355 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646230976]
[2022-02-19 16:11:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:11:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:11:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:11:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 9409 proven. 36184 refuted. 0 times theorem prover too weak. 20922 trivial. 0 not checked.
[2022-02-19 16:11:35,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:11:35,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646230976]
[2022-02-19 16:11:35,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646230976] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:11:35,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67228729]
[2022-02-19 16:11:35,408 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-19 16:11:35,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:11:35,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:11:35,409 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)
[2022-02-19 16:11:35,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-19 16:11:36,117 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s)
[2022-02-19 16:11:36,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:11:36,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 483 conjunts are in the unsatisfiable core
[2022-02-19 16:11:36,176 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:11:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 37031 proven. 10151 refuted. 0 times theorem prover too weak. 19333 trivial. 0 not checked.
[2022-02-19 16:11:55,466 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:12:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 627 proven. 46555 refuted. 0 times theorem prover too weak. 19333 trivial. 0 not checked.
[2022-02-19 16:12:25,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67228729] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:12:25,282 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:12:25,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [183, 169, 169] total 517
[2022-02-19 16:12:25,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104240343]
[2022-02-19 16:12:25,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:12:25,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 517 states
[2022-02-19 16:12:25,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:12:25,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 517 interpolants.
[2022-02-19 16:12:25,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45145, Invalid=221627, Unknown=0, NotChecked=0, Total=266772
[2022-02-19 16:12:25,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:12:25,303 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:12:25,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 517 states, 517 states have (on average 3.230174081237911) internal successors, (1670), 517 states have internal predecessors, (1670), 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)
[2022-02-19 16:12:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:12:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:12:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states.
[2022-02-19 16:12:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states.
[2022-02-19 16:12:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:13:50,570 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7299 transitions and produced 5639 states.
[2022-02-19 16:13:50,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:13:50,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:13:50,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states.
[2022-02-19 16:13:50,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states.
[2022-02-19 16:13:50,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states.
[2022-02-19 16:13:50,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-19 16:13:50,779 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
[2022-02-19 16:13:50,779 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-19 16:13:50,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:13:50,780 INFO L85 PathProgramCache]: Analyzing trace with hash 262666045, now seen corresponding path program 6 times
[2022-02-19 16:13:50,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:13:50,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874943783]
[2022-02-19 16:13:50,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:13:50,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:13:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:14:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 7051 proven. 79328 refuted. 0 times theorem prover too weak. 20441 trivial. 0 not checked.
[2022-02-19 16:14:05,864 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:14:05,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874943783]
[2022-02-19 16:14:05,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874943783] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:14:05,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297631202]
[2022-02-19 16:14:05,864 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-19 16:14:05,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:14:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:14:05,865 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)
[2022-02-19 16:14:05,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-19 16:14:07,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 188 check-sat command(s)
[2022-02-19 16:14:07,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:14:07,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 3491 conjuncts, 215 conjunts are in the unsatisfiable core
[2022-02-19 16:14:07,230 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:14:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 33549 proven. 43877 refuted. 0 times theorem prover too weak. 29394 trivial. 0 not checked.
[2022-02-19 16:14:43,418 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:15:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 28422 proven. 49036 refuted. 0 times theorem prover too weak. 29362 trivial. 0 not checked.
[2022-02-19 16:15:12,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297631202] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:15:12,003 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:15:12,004 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 207, 213] total 517
[2022-02-19 16:15:12,004 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626596799]
[2022-02-19 16:15:12,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:15:12,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 518 states
[2022-02-19 16:15:12,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:15:12,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 518 interpolants.
[2022-02-19 16:15:12,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26319, Invalid=241487, Unknown=0, NotChecked=0, Total=267806
[2022-02-19 16:15:12,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:15:12,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:15:12,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 518 states, 518 states have (on average 4.117760617760617) internal successors, (2133), 517 states have internal predecessors, (2133), 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)
[2022-02-19 16:15:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states.
[2022-02-19 16:15:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states.
[2022-02-19 16:15:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states.
[2022-02-19 16:15:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states.
[2022-02-19 16:15:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states.
[2022-02-19 16:15:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
Received shutdown request...
[2022-02-19 16:17:20,328 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
[2022-02-19 16:17:20,328 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-19 16:17:20,328 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
[2022-02-19 16:17:20,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-19 16:17:20,511 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
[2022-02-19 16:17:20,511 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates.
[2022-02-19 16:17:20,513 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining)
[2022-02-19 16:17:20,514 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining)
[2022-02-19 16:17:20,514 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining)
[2022-02-19 16:17:20,514 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining)
[2022-02-19 16:17:20,514 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining)
[2022-02-19 16:17:20,523 INFO L732 BasicCegarLoop]: Path program histogram: [6]
[2022-02-19 16:17:20,525 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 16:17:20,525 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 16:17:20,526 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:17:20 BasicIcfg
[2022-02-19 16:17:20,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 16:17:20,527 INFO L158 Benchmark]: Toolchain (without parser) took 738369.55ms. Allocated memory was 169.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 129.3MB in the beginning and 815.7MB in the end (delta: -686.4MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB.
[2022-02-19 16:17:20,527 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 16:17:20,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.56ms. Allocated memory is still 169.9MB. Free memory was 129.3MB in the beginning and 127.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-19 16:17:20,527 INFO L158 Benchmark]: Boogie Preprocessor took 18.28ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 126.7MB in the end (delta: 928.2kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 16:17:20,528 INFO L158 Benchmark]: RCFGBuilder took 269.53ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 116.6MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-19 16:17:20,528 INFO L158 Benchmark]: TraceAbstraction took 738055.21ms. Allocated memory was 169.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 116.1MB in the beginning and 815.7MB in the end (delta: -699.5MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB.
[2022-02-19 16:17:20,529 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 0.13ms. Allocated memory is still 169.9MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 20.56ms. Allocated memory is still 169.9MB. Free memory was 129.3MB in the beginning and 127.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 18.28ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 126.7MB in the end (delta: 928.2kB). There was no memory consumed. Max. memory is 8.0GB.
* RCFGBuilder took 269.53ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 116.6MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 738055.21ms. Allocated memory was 169.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 116.1MB in the beginning and 815.7MB in the end (delta: -699.5MB). Peak memory consumption was 1.3GB. 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: 82]: Timeout (TraceAbstraction)
Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates.
- TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates.
- TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates.
- TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates.
- TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 618 known predicates.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 9 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 737.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 492.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1874, 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: 0.3s SsaConstructionTime, 10.7s SatisfiabilityAnalysisTime, 232.3s InterpolantComputationTime, 9380 NumberOfCodeBlocks, 9374 NumberOfCodeBlocksAsserted, 404 NumberOfCheckSat, 14052 ConstructedInterpolants, 0 QuantifiedInterpolants, 101278 SizeOfPredicates, 29 NumberOfNonLiveVariables, 12996 ConjunctsInSsa, 1242 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 461777/866127 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