/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 01:25:01,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 01:25:01,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 01:25:01,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 01:25:01,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 01:25:01,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 01:25:01,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 01:25:01,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 01:25:01,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 01:25:01,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 01:25:01,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 01:25:01,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 01:25:01,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 01:25:01,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 01:25:01,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 01:25:01,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 01:25:01,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-23 01:25:01,641 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-23 01:25:01,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 01:25:01,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 01:25:01,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 01:25:01,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 01:25:01,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 01:25:01,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 01:25:01,666 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 01:25:01,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 01:25:01,666 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 01:25:01,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 01:25:01,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:25:01,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 01:25:01,668 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 01:25:01,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 01:25:01,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 01:25:01,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 01:25:01,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 01:25:01,669 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 01:25:01,669 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 01:25:01,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 01:25:01,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 01:25:01,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 01:25:01,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 01:25:01,968 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 01:25:01,969 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 01:25:01,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl [2021-08-23 01:25:01,970 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl' [2021-08-23 01:25:01,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 01:25:01,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 01:25:01,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 01:25:01,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 01:25:01,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 01:25:02,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 01:25:02,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 01:25:02,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 01:25:02,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 01:25:02,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 01:25:02,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 01:25:02,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 01:25:02,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 01:25:02,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/1) ... [2021-08-23 01:25:02,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:25:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:02,061 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) [2021-08-23 01:25:02,078 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 [2021-08-23 01:25:02,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 01:25:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 01:25:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 01:25:02,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 01:25:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 01:25:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 01:25:02,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 01:25:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 01:25:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 01:25:02,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 01:25:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 01:25:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 01:25:02,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-23 01:25:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-23 01:25:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-23 01:25:02,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-23 01:25:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-23 01:25:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-23 01:25:02,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-08-23 01:25:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-08-23 01:25:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-08-23 01:25:02,095 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 01:25:02,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 01:25:02,293 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-23 01:25:02,294 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-08-23 01:25:02,294 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-08-23 01:25:02,294 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-08-23 01:25:02,294 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread6EXIT is neither atomic block end nor error location. [2021-08-23 01:25:02,295 INFO L202 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:25:02 BoogieIcfgContainer [2021-08-23 01:25:02,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 01:25:02,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 01:25:02,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 01:25:02,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 01:25:02,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:25:01" (1/2) ... [2021-08-23 01:25:02,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be1308 and model type parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:25:02, skipping insertion in model container [2021-08-23 01:25:02,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:25:02" (2/2) ... [2021-08-23 01:25:02,300 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1-dsl.wvr.bpl [2021-08-23 01:25:02,303 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 01:25:02,303 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 01:25:02,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 01:25:02,303 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 01:25:02,409 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-08-23 01:25:02,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:25:02,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:02,441 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) [2021-08-23 01:25:02,445 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 [2021-08-23 01:25:02,468 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork1 ======== [2021-08-23 01:25:02,472 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-23 01:25:02,472 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-23 01:25:02,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err4INUSE_VIOLATION [2021-08-23 01:25:02,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err5INUSE_VIOLATION [2021-08-23 01:25:02,685 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE,SAFE (1/3) [2021-08-23 01:25:02,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:25:02,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:02,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 01:25:02,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-23 01:25:02,692 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2021-08-23 01:25:02,692 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-23 01:25:02,692 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-23 01:25:02,742 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err6INUSE_VIOLATION [2021-08-23 01:25:02,742 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err7INUSE_VIOLATION [2021-08-23 01:25:02,744 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/3) [2021-08-23 01:25:02,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:25:02,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:02,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 01:25:02,760 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 01:25:02,761 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-23 01:25:02,761 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-23 01:25:02,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-08-23 01:25:02,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:02,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:02,845 INFO L82 PathProgramCache]: Analyzing trace with hash -912750455, now seen corresponding path program 1 times [2021-08-23 01:25:02,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:02,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325101207] [2021-08-23 01:25:02,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:02,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 01:25:02,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:02,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325101207] [2021-08-23 01:25:02,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325101207] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:25:02,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:25:02,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:25:02,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020396948] [2021-08-23 01:25:02,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:25:02,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:25:03,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:25:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,006 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:03,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-08-23 01:25:03,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 01:25:03,040 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:03,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1500023439, now seen corresponding path program 1 times [2021-08-23 01:25:03,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:03,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077956815] [2021-08-23 01:25:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:03,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:03,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:03,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077956815] [2021-08-23 01:25:03,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077956815] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:25:03,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:25:03,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-23 01:25:03,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012172066] [2021-08-23 01:25:03,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 01:25:03,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:03,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 01:25:03,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-23 01:25:03,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:03,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-08-23 01:25:03,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 01:25:03,183 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:03,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:03,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1716733958, now seen corresponding path program 1 times [2021-08-23 01:25:03,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:03,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330499485] [2021-08-23 01:25:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:03,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:03,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:03,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330499485] [2021-08-23 01:25:03,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330499485] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:25:03,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:25:03,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:25:03,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774845453] [2021-08-23 01:25:03,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:25:03,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:03,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:25:03,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:25:03,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,228 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:03,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:25:03,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 01:25:03,283 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:03,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:03,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1525942668, now seen corresponding path program 1 times [2021-08-23 01:25:03,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:03,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419595968] [2021-08-23 01:25:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:03,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:03,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:03,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419595968] [2021-08-23 01:25:03,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419595968] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:25:03,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:25:03,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-23 01:25:03,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228849804] [2021-08-23 01:25:03,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-23 01:25:03,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:03,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-23 01:25:03,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-23 01:25:03,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:03,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:25:03,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-23 01:25:03,470 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:03,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:03,471 INFO L82 PathProgramCache]: Analyzing trace with hash -539137348, now seen corresponding path program 1 times [2021-08-23 01:25:03,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:03,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428720364] [2021-08-23 01:25:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:03,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:03,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:03,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428720364] [2021-08-23 01:25:03,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428720364] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:25:03,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:25:03,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-23 01:25:03,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136209931] [2021-08-23 01:25:03,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 01:25:03,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:03,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 01:25:03,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-23 01:25:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:03,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2021-08-23 01:25:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-23 01:25:03,591 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:03,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:03,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1655401635, now seen corresponding path program 1 times [2021-08-23 01:25:03,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:03,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448612748] [2021-08-23 01:25:03,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:03,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:03,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:03,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448612748] [2021-08-23 01:25:03,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448612748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:03,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198521252] [2021-08-23 01:25:03,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:03,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:03,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:03,664 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) [2021-08-23 01:25:03,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 01:25:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:03,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-23 01:25:03,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:03,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198521252] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:03,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:03,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-08-23 01:25:03,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723868113] [2021-08-23 01:25:03,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-23 01:25:03,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:03,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-23 01:25:03,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-23 01:25:03,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:03,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2021-08-23 01:25:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:03,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:04,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:04,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:04,197 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:04,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:04,198 INFO L82 PathProgramCache]: Analyzing trace with hash 143666260, now seen corresponding path program 1 times [2021-08-23 01:25:04,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:04,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93418834] [2021-08-23 01:25:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:04,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:04,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:04,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93418834] [2021-08-23 01:25:04,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93418834] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:04,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309628633] [2021-08-23 01:25:04,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:04,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:04,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:04,589 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) [2021-08-23 01:25:04,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 01:25:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:04,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-23 01:25:04,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:05,215 INFO L354 Elim1Store]: treesize reduction 40, result has 14.9 percent of original size [2021-08-23 01:25:05,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 29 [2021-08-23 01:25:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:05,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309628633] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:05,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:05,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 19 [2021-08-23 01:25:05,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700410043] [2021-08-23 01:25:05,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-23 01:25:05,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:05,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-23 01:25:05,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-08-23 01:25:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:05,317 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:05,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:25:05,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:05,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:05,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:05,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:05,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:05,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:05,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:06,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:06,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:06,275 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:06,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:06,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1013200603, now seen corresponding path program 2 times [2021-08-23 01:25:06,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:06,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470650194] [2021-08-23 01:25:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:06,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:06,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:06,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470650194] [2021-08-23 01:25:06,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470650194] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:06,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875907506] [2021-08-23 01:25:06,325 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:25:06,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:06,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:06,332 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) [2021-08-23 01:25:06,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 01:25:06,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:25:06,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:06,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-23 01:25:06,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:06,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875907506] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:06,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:06,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2021-08-23 01:25:06,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182585127] [2021-08-23 01:25:06,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-23 01:25:06,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:06,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-23 01:25:06,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-08-23 01:25:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:06,610 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:06,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:06,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:06,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:06,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:06,949 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:06,950 INFO L82 PathProgramCache]: Analyzing trace with hash -297477990, now seen corresponding path program 2 times [2021-08-23 01:25:06,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:06,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523963254] [2021-08-23 01:25:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:06,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 01:25:07,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:07,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523963254] [2021-08-23 01:25:07,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523963254] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:07,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610136320] [2021-08-23 01:25:07,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:25:07,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:07,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:07,169 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) [2021-08-23 01:25:07,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 01:25:07,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:25:07,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:07,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-23 01:25:07,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:07,855 INFO L354 Elim1Store]: treesize reduction 40, result has 14.9 percent of original size [2021-08-23 01:25:07,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 29 [2021-08-23 01:25:07,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:07,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610136320] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:07,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:07,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2021-08-23 01:25:07,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073591410] [2021-08-23 01:25:07,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-23 01:25:07,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:07,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-23 01:25:07,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-23 01:25:07,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:07,943 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:07,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 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) [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:08,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:08,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:08,768 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:08,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:08,769 INFO L82 PathProgramCache]: Analyzing trace with hash -645716311, now seen corresponding path program 3 times [2021-08-23 01:25:08,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:08,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545758283] [2021-08-23 01:25:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:08,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 01:25:08,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:08,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545758283] [2021-08-23 01:25:08,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545758283] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:08,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747271152] [2021-08-23 01:25:08,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:25:08,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:08,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:08,807 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) [2021-08-23 01:25:08,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 01:25:08,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-23 01:25:08,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:08,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-23 01:25:08,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:09,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747271152] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:09,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:09,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 13 [2021-08-23 01:25:09,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169727204] [2021-08-23 01:25:09,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-23 01:25:09,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:09,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-23 01:25:09,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-08-23 01:25:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:09,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:09,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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) [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:09,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:09,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:09,588 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,SelfDestructingSolverStorable9 [2021-08-23 01:25:09,589 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:09,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:09,589 INFO L82 PathProgramCache]: Analyzing trace with hash -998569974, now seen corresponding path program 4 times [2021-08-23 01:25:09,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:09,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812992942] [2021-08-23 01:25:09,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:09,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 01:25:09,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:09,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812992942] [2021-08-23 01:25:09,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812992942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:09,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049048616] [2021-08-23 01:25:09,645 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:25:09,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:09,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:09,645 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) [2021-08-23 01:25:09,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-23 01:25:09,822 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:25:09,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:09,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-23 01:25:09,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:10,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049048616] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:10,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:10,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-08-23 01:25:10,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614392321] [2021-08-23 01:25:10,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-23 01:25:10,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:10,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-23 01:25:10,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-08-23 01:25:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:10,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:10,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 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) [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:10,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:10,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-23 01:25:10,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:10,417 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:10,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:10,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1300031, now seen corresponding path program 5 times [2021-08-23 01:25:10,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:10,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997821822] [2021-08-23 01:25:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:10,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:11,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:11,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997821822] [2021-08-23 01:25:11,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997821822] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:11,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564315472] [2021-08-23 01:25:11,012 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:25:11,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:11,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:11,013 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) [2021-08-23 01:25:11,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-23 01:25:11,220 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-23 01:25:11,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:11,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-08-23 01:25:11,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:11,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-08-23 01:25:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:12,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564315472] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:12,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:12,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-08-23 01:25:12,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772247840] [2021-08-23 01:25:12,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-08-23 01:25:12,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:12,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-08-23 01:25:12,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1207, Unknown=0, NotChecked=0, Total=1332 [2021-08-23 01:25:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:12,091 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:12,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.7837837837837838) internal successors, (66), 37 states have internal predecessors, (66), 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) [2021-08-23 01:25:12,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:12,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-23 01:25:14,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-23 01:25:14,771 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,SelfDestructingSolverStorable11 [2021-08-23 01:25:14,771 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:14,772 INFO L82 PathProgramCache]: Analyzing trace with hash -442444281, now seen corresponding path program 6 times [2021-08-23 01:25:14,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:14,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452699572] [2021-08-23 01:25:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:14,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:15,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:15,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452699572] [2021-08-23 01:25:15,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452699572] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:15,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593422822] [2021-08-23 01:25:15,417 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:25:15,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:15,418 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) [2021-08-23 01:25:15,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-23 01:25:15,663 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-23 01:25:15,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:15,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-08-23 01:25:15,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:16,744 INFO L354 Elim1Store]: treesize reduction 206, result has 5.9 percent of original size [2021-08-23 01:25:16,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 66 treesize of output 42 [2021-08-23 01:25:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:16,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593422822] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:16,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:16,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 36 [2021-08-23 01:25:16,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988937353] [2021-08-23 01:25:16,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-23 01:25:16,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:16,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-23 01:25:16,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2021-08-23 01:25:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:16,836 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:16,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 36 states have internal predecessors, (60), 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) [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-23 01:25:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:25:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:25:20,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:20,692 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,SelfDestructingSolverStorable12 [2021-08-23 01:25:20,692 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:20,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:20,692 INFO L82 PathProgramCache]: Analyzing trace with hash -140071796, now seen corresponding path program 7 times [2021-08-23 01:25:20,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:20,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737354177] [2021-08-23 01:25:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:20,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 01:25:21,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:21,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737354177] [2021-08-23 01:25:21,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737354177] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:21,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622901674] [2021-08-23 01:25:21,472 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-23 01:25:21,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:21,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:21,472 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) [2021-08-23 01:25:21,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-23 01:25:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:21,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 81 conjunts are in the unsatisfiable core [2021-08-23 01:25:21,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:23,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2021-08-23 01:25:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:23,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622901674] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:23,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:23,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28] total 50 [2021-08-23 01:25:23,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600831509] [2021-08-23 01:25:23,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-08-23 01:25:23,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:23,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-08-23 01:25:23,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2240, Unknown=0, NotChecked=0, Total=2450 [2021-08-23 01:25:23,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:23,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:23,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.62) internal successors, (81), 50 states have internal predecessors, (81), 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) [2021-08-23 01:25:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:25:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-23 01:25:27,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:27,356 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,SelfDestructingSolverStorable13 [2021-08-23 01:25:27,357 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:27,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:27,357 INFO L82 PathProgramCache]: Analyzing trace with hash -581216046, now seen corresponding path program 8 times [2021-08-23 01:25:27,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:27,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877272803] [2021-08-23 01:25:27,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:27,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 01:25:28,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:28,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877272803] [2021-08-23 01:25:28,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877272803] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:28,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174709926] [2021-08-23 01:25:28,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:25:28,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:28,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:28,124 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) [2021-08-23 01:25:28,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-23 01:25:28,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:25:28,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:28,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 82 conjunts are in the unsatisfiable core [2021-08-23 01:25:28,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:29,857 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-23 01:25:29,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 69 [2021-08-23 01:25:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:30,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174709926] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:30,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:30,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29] total 54 [2021-08-23 01:25:30,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218616386] [2021-08-23 01:25:30,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-08-23 01:25:30,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:30,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-08-23 01:25:30,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=2598, Unknown=0, NotChecked=0, Total=2862 [2021-08-23 01:25:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:30,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:30,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 54 states have internal predecessors, (84), 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) [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:25:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:25:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:25:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-23 01:25:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-23 01:25:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-23 01:25:37,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-23 01:25:37,378 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,SelfDestructingSolverStorable14 [2021-08-23 01:25:37,379 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:25:37,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:25:37,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1256915242, now seen corresponding path program 9 times [2021-08-23 01:25:37,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:25:37,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217170919] [2021-08-23 01:25:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:25:37,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:25:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:25:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 7 proven. 65 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-23 01:25:38,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:25:38,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217170919] [2021-08-23 01:25:38,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217170919] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:38,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775147482] [2021-08-23 01:25:38,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:25:38,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:25:38,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:25:38,474 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) [2021-08-23 01:25:38,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-23 01:25:38,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-08-23 01:25:38,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:25:38,940 WARN L261 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 129 conjunts are in the unsatisfiable core [2021-08-23 01:25:38,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:25:42,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:25:43,694 INFO L354 Elim1Store]: treesize reduction 952, result has 37.7 percent of original size [2021-08-23 01:25:43,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 36 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 135 case distinctions, treesize of input 111 treesize of output 615 [2021-08-23 01:25:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:25:57,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775147482] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:25:57,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:25:57,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 46] total 70 [2021-08-23 01:25:57,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846012224] [2021-08-23 01:25:57,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-08-23 01:25:57,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:25:57,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-08-23 01:25:57,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=4613, Unknown=0, NotChecked=0, Total=4830 [2021-08-23 01:25:57,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:25:57,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:25:57,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-08-23 01:25:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:25:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:25:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:25:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:25:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-23 01:25:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-23 01:26:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-23 01:26:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-08-23 01:26:10,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-23 01:26:11,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:26:11,020 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:26:11,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:26:11,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1687805412, now seen corresponding path program 10 times [2021-08-23 01:26:11,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:26:11,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392862131] [2021-08-23 01:26:11,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:26:11,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:26:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:26:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 20 proven. 65 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-08-23 01:26:11,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:26:11,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392862131] [2021-08-23 01:26:11,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392862131] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:26:11,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426606251] [2021-08-23 01:26:11,120 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:26:11,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:26:11,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:26:11,121 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) [2021-08-23 01:26:11,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-23 01:26:11,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:26:11,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:26:11,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-23 01:26:11,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:26:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 20 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:26:12,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426606251] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:26:12,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:26:12,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 29] total 35 [2021-08-23 01:26:12,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38975777] [2021-08-23 01:26:12,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-23 01:26:12,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:26:12,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-23 01:26:12,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1031, Unknown=0, NotChecked=0, Total=1190 [2021-08-23 01:26:12,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:26:12,317 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:26:12,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 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) [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-08-23 01:26:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:26:14,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-08-23 01:26:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-08-23 01:26:14,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-23 01:26:14,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-23 01:26:14,317 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:26:14,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:26:14,317 INFO L82 PathProgramCache]: Analyzing trace with hash 944106571, now seen corresponding path program 11 times [2021-08-23 01:26:14,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:26:14,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839311674] [2021-08-23 01:26:14,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:26:14,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:26:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:26:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-08-23 01:26:15,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:26:15,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839311674] [2021-08-23 01:26:15,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839311674] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:26:15,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086796958] [2021-08-23 01:26:15,726 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:26:15,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:26:15,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:26:15,726 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:26:15,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-23 01:26:16,357 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-23 01:26:16,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:26:16,361 WARN L261 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 190 conjunts are in the unsatisfiable core [2021-08-23 01:26:16,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:26:26,351 INFO L354 Elim1Store]: treesize reduction 3384, result has 5.1 percent of original size [2021-08-23 01:26:26,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 91 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 344 case distinctions, treesize of input 214 treesize of output 248 [2021-08-23 01:26:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:26:26,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086796958] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:26:26,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:26:26,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 65] total 86 [2021-08-23 01:26:26,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656021973] [2021-08-23 01:26:26,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2021-08-23 01:26:26,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:26:26,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-08-23 01:26:26,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=6830, Unknown=0, NotChecked=0, Total=7310 [2021-08-23 01:26:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:26:26,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:26:26,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.3255813953488371) internal successors, (114), 86 states have internal predecessors, (114), 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) [2021-08-23 01:26:26,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-08-23 01:26:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:26:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-08-23 01:26:39,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-08-23 01:26:39,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-08-23 01:26:39,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-23 01:26:39,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-23 01:26:39,601 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:26:39,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:26:39,602 INFO L82 PathProgramCache]: Analyzing trace with hash 653547228, now seen corresponding path program 12 times [2021-08-23 01:26:39,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:26:39,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282626819] [2021-08-23 01:26:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:26:39,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:26:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:26:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 9 proven. 154 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-08-23 01:26:41,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:26:41,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282626819] [2021-08-23 01:26:41,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282626819] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:26:41,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978441114] [2021-08-23 01:26:41,418 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:26:41,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:26:41,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:26:41,421 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:26:41,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-23 01:26:42,268 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-23 01:26:42,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:26:42,274 WARN L261 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 213 conjunts are in the unsatisfiable core [2021-08-23 01:26:42,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:26:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:56,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:26:57,079 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-08-23 01:27:14,123 WARN L207 SmtUtils]: Spent 17.04 s on a formula simplification. DAG size of input: 2065 DAG size of output: 806 [2021-08-23 01:27:14,125 INFO L354 Elim1Store]: treesize reduction 3681, result has 31.0 percent of original size [2021-08-23 01:27:14,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 64 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 497 case distinctions, treesize of input 253 treesize of output 1726 Received shutdown request... [2021-08-23 01:39:03,179 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:39:03,187 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:39:03,187 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 [2021-08-23 01:39:03,191 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:39:03,192 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 [2021-08-23 01:39:03,209 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-23 01:39:03,210 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 01:39:03,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-08-23 01:39:03,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:39:03,411 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 91 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 17ms.. [2021-08-23 01:39:03,411 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 01:39:03,411 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 01:39:03,412 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT,TIMEOUT (3/3) [2021-08-23 01:39:03,413 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 01:39:03,413 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 01:39:03,415 INFO L202 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 01:39:03 BasicIcfg [2021-08-23 01:39:03,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 01:39:03,415 INFO L168 Benchmark]: Toolchain (without parser) took 841425.77 ms. Allocated memory was 207.6 MB in the beginning and 664.8 MB in the end (delta: 457.2 MB). Free memory was 187.6 MB in the beginning and 521.0 MB in the end (delta: -333.4 MB). Peak memory consumption was 486.2 MB. Max. memory is 8.0 GB. [2021-08-23 01:39:03,415 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 207.6 MB. Free memory was 188.8 MB in the beginning and 188.7 MB in the end (delta: 86.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 01:39:03,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.43 ms. Allocated memory is still 207.6 MB. Free memory was 187.5 MB in the beginning and 186.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 01:39:03,416 INFO L168 Benchmark]: Boogie Preprocessor took 24.57 ms. Allocated memory is still 207.6 MB. Free memory was 185.9 MB in the beginning and 184.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 01:39:03,416 INFO L168 Benchmark]: RCFGBuilder took 254.67 ms. Allocated memory is still 207.6 MB. Free memory was 184.9 MB in the beginning and 166.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-08-23 01:39:03,416 INFO L168 Benchmark]: TraceAbstraction took 841118.21 ms. Allocated memory was 207.6 MB in the beginning and 664.8 MB in the end (delta: 457.2 MB). Free memory was 166.3 MB in the beginning and 521.0 MB in the end (delta: -354.7 MB). Peak memory consumption was 465.2 MB. Max. memory is 8.0 GB. [2021-08-23 01:39:03,417 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 0.10 ms. Allocated memory is still 207.6 MB. Free memory was 188.8 MB in the beginning and 188.7 MB in the end (delta: 86.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.43 ms. Allocated memory is still 207.6 MB. Free memory was 187.5 MB in the beginning and 186.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.57 ms. Allocated memory is still 207.6 MB. Free memory was 185.9 MB in the beginning and 184.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 254.67 ms. Allocated memory is still 207.6 MB. Free memory was 184.9 MB in the beginning and 166.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 841118.21 ms. Allocated memory was 207.6 MB in the beginning and 664.8 MB in the end (delta: 457.2 MB). Free memory was 166.3 MB in the beginning and 521.0 MB in the end (delta: -354.7 MB). Peak memory consumption was 465.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1758, positive: 1650, positive conditional: 521, positive unconditional: 1129, negative: 108, negative conditional: 93, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 521, positive unconditional: 1129, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 521, positive unconditional: 1129, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1094, positive: 1077, positive conditional: 0, positive unconditional: 1077, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1094, positive: 1070, positive conditional: 0, positive unconditional: 1070, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1687, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 1094, unknown conditional: 0, unknown unconditional: 1094] , Statistics on independence cache: Total cache size (in pairs): 1094, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 71 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 131, Number of persistent set computation: 82, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1144, positive: 1129, positive conditional: 0, positive unconditional: 1129, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1758, positive: 1650, positive conditional: 521, positive unconditional: 1129, negative: 108, negative conditional: 93, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 521, positive unconditional: 1129, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 521, positive unconditional: 1129, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1687, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1094, positive: 1077, positive conditional: 0, positive unconditional: 1077, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1094, positive: 1070, positive conditional: 0, positive unconditional: 1070, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1687, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 1094, unknown conditional: 0, unknown unconditional: 1094] , Statistics on independence cache: Total cache size (in pairs): 1094, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 71 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 735, positive: 720, positive conditional: 21, positive unconditional: 699, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 21, positive unconditional: 699, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 21, positive unconditional: 699, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 733, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 700, positive: 687, positive conditional: 0, positive unconditional: 687, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 700, positive: 683, positive conditional: 0, positive unconditional: 683, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 733, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 700, unknown conditional: 0, unknown unconditional: 700] , Statistics on independence cache: Total cache size (in pairs): 700, Positive cache size: 687, Positive conditional cache size: 0, Positive unconditional cache size: 687, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 45, Number of persistent set computation: 13, Number of trivial persistent sets: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 712, positive: 699, positive conditional: 0, positive unconditional: 699, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 735, positive: 720, positive conditional: 21, positive unconditional: 699, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 21, positive unconditional: 699, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 21, positive unconditional: 699, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 733, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 733, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 700, positive: 687, positive conditional: 0, positive unconditional: 687, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 700, positive: 683, positive conditional: 0, positive unconditional: 683, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 733, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 700, unknown conditional: 0, unknown unconditional: 700] , Statistics on independence cache: Total cache size (in pairs): 700, Positive cache size: 687, Positive conditional cache size: 0, Positive unconditional cache size: 687, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10259, positive: 8768, positive conditional: 7443, positive unconditional: 1325, negative: 1491, negative conditional: 1474, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8978, positive: 8768, positive conditional: 7443, positive unconditional: 1325, negative: 210, negative conditional: 193, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8978, positive: 8768, positive conditional: 7443, positive unconditional: 1325, negative: 210, negative conditional: 193, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10682, positive: 8768, positive conditional: 7340, positive unconditional: 1428, negative: 1914, negative conditional: 1704, negative unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10682, positive: 8768, positive conditional: 5941, positive unconditional: 2827, negative: 1914, negative conditional: 1404, negative unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10682, positive: 8768, positive conditional: 5941, positive unconditional: 2827, negative: 1914, negative conditional: 1404, negative unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1641, positive: 1375, positive conditional: 83, positive unconditional: 1292, negative: 266, negative conditional: 245, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1641, positive: 1322, positive conditional: 0, positive unconditional: 1322, negative: 319, negative conditional: 0, negative unconditional: 319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 319, positive: 53, positive conditional: 46, positive unconditional: 7, negative: 266, negative conditional: 245, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 485, positive: 84, positive conditional: 66, positive unconditional: 18, negative: 401, negative conditional: 347, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10682, positive: 7393, positive conditional: 5858, positive unconditional: 1535, negative: 1648, negative conditional: 1159, negative unconditional: 489, unknown: 1641, unknown conditional: 328, unknown unconditional: 1313] , Statistics on independence cache: Total cache size (in pairs): 1641, Positive cache size: 1375, Positive conditional cache size: 83, Positive unconditional cache size: 1292, Negative cache size: 266, Negative conditional cache size: 245, Negative unconditional cache size: 21, Eliminated conditions: 1699, Maximal queried relation: 14, Independence queries for same thread: 1281 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 104, Number of persistent set computation: 117, Number of trivial persistent sets: 29, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1342, positive: 1325, positive conditional: 0, positive unconditional: 1325, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10259, positive: 8768, positive conditional: 7443, positive unconditional: 1325, negative: 1491, negative conditional: 1474, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8978, positive: 8768, positive conditional: 7443, positive unconditional: 1325, negative: 210, negative conditional: 193, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8978, positive: 8768, positive conditional: 7443, positive unconditional: 1325, negative: 210, negative conditional: 193, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10682, positive: 8768, positive conditional: 7340, positive unconditional: 1428, negative: 1914, negative conditional: 1704, negative unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10682, positive: 8768, positive conditional: 5941, positive unconditional: 2827, negative: 1914, negative conditional: 1404, negative unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10682, positive: 8768, positive conditional: 5941, positive unconditional: 2827, negative: 1914, negative conditional: 1404, negative unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1641, positive: 1375, positive conditional: 83, positive unconditional: 1292, negative: 266, negative conditional: 245, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1641, positive: 1322, positive conditional: 0, positive unconditional: 1322, negative: 319, negative conditional: 0, negative unconditional: 319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 319, positive: 53, positive conditional: 46, positive unconditional: 7, negative: 266, negative conditional: 245, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 485, positive: 84, positive conditional: 66, positive unconditional: 18, negative: 401, negative conditional: 347, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10682, positive: 7393, positive conditional: 5858, positive unconditional: 1535, negative: 1648, negative conditional: 1159, negative unconditional: 489, unknown: 1641, unknown conditional: 328, unknown unconditional: 1313] , Statistics on independence cache: Total cache size (in pairs): 1641, Positive cache size: 1375, Positive conditional cache size: 83, Positive unconditional cache size: 1292, Negative cache size: 266, Negative conditional cache size: 245, Negative unconditional cache size: 21, Eliminated conditions: 1699, Maximal queried relation: 14, Independence queries for same thread: 1281 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 91 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 17ms.. - TimeoutResultAtElement [Line: 105]: 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 91 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 17ms.. - TimeoutResultAtElement [Line: 102]: 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 91 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 17ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork1 with 1 thread instances CFG has 13 procedures, 71 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 249.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 194.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances CFG has 13 procedures, 71 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 56.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 48.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 71 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 840667.1ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 47074.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 605, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 143.3ms SsaConstructionTime, 485.1ms SatisfiabilityAnalysisTime, 43026.9ms InterpolantComputationTime, 1270 NumberOfCodeBlocks, 1270 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1239 ConstructedInterpolants, 37 QuantifiedInterpolants, 26612 SizeOfPredicates, 142 NumberOfNonLiveVariables, 2334 ConjunctsInSsa, 723 ConjunctsInUnsatCore, 31 InterpolantComputations, 5 PerfectInterpolantSequences, 309/1280 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