/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 01:26:14,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 01:26:14,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 01:26:14,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 01:26:14,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 01:26:14,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 01:26:14,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 01:26:14,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 01:26:14,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 01:26:14,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 01:26:14,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 01:26:14,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 01:26:14,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 01:26:14,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 01:26:14,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 01:26:14,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 01:26:14,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 01:26:14,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 01:26:14,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 01:26:14,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 01:26:14,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 01:26:14,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 01:26:14,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 01:26:14,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 01:26:14,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 01:26:14,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 01:26:14,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 01:26:14,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 01:26:14,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 01:26:14,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 01:26:14,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 01:26:14,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 01:26:14,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 01:26:14,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 01:26:14,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 01:26:14,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 01:26:14,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 01:26:14,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 01:26:14,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 01:26:14,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 01:26:14,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 01:26:14,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-04 01:26:14,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 01:26:14,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 01:26:14,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 01:26:14,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 01:26:14,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 01:26:14,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 01:26:14,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 01:26:14,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 01:26:14,190 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 01:26:14,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 01:26:14,191 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 01:26:14,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 01:26:14,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 01:26:14,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 01:26:14,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 01:26:14,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 01:26:14,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 01:26:14,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:26:14,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 01:26:14,193 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 01:26:14,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 01:26:14,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 01:26:14,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 01:26:14,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 01:26:14,414 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 01:26:14,415 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 01:26:14,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-03-04 01:26:14,417 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-03-04 01:26:14,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 01:26:14,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 01:26:14,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 01:26:14,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 01:26:14,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 01:26:14,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,462 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 01:26:14,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 01:26:14,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 01:26:14,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 01:26:14,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 01:26:14,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 01:26:14,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 01:26:14,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 01:26:14,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 01:26:14,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/1) ... [2022-03-04 01:26:14,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:26:14,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:14,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 01:26:14,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 01:26:14,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 01:26:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 01:26:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 01:26:14,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 01:26:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 01:26:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 01:26:14,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 01:26:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 01:26:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 01:26:14,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 01:26:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 01:26:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 01:26:14,559 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 01:26:14,592 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 01:26:14,593 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 01:26:14,660 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 01:26:14,664 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 01:26:14,664 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 01:26:14,666 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:26:14 BoogieIcfgContainer [2022-03-04 01:26:14,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 01:26:14,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 01:26:14,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 01:26:14,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 01:26:14,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:26:14" (1/2) ... [2022-03-04 01:26:14,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a805b7b and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:26:14, skipping insertion in model container [2022-03-04 01:26:14,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:26:14" (2/2) ... [2022-03-04 01:26:14,690 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-03-04 01:26:14,693 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 01:26:14,693 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 01:26:14,693 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 01:26:14,693 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 01:26:14,734 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 01:26:14,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 01:26:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:14,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 01:26:14,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 01:26:14,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 01:26:14,831 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-04 01:26:14,831 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 01:26:16,387 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12063 transitions and produced 4217 states. [2022-03-04 01:26:16,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:26:16,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:26:16,393 INFO L85 PathProgramCache]: Analyzing trace with hash -510078840, now seen corresponding path program 1 times [2022-03-04 01:26:16,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:26:16,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248677161] [2022-03-04 01:26:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:16,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:26:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 280 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:17,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:26:17,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248677161] [2022-03-04 01:26:17,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248677161] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:26:17,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790654010] [2022-03-04 01:26:17,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:17,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:17,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:17,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:26:17,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 01:26:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:17,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-04 01:26:17,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:26:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-04 01:26:17,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:26:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-04 01:26:17,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790654010] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:26:17,857 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:26:17,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 11] total 40 [2022-03-04 01:26:17,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778767177] [2022-03-04 01:26:17,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:26:17,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-03-04 01:26:17,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:26:17,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-03-04 01:26:17,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1289, Unknown=0, NotChecked=0, Total=1560 [2022-03-04 01:26:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:17,899 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:26:17,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.375) internal successors, (135), 40 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:26:17,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:19,669 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12079 transitions and produced 4233 states. [2022-03-04 01:26:19,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:19,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 01:26:19,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 01:26:19,884 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:26:19,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:26:19,884 INFO L85 PathProgramCache]: Analyzing trace with hash -339860333, now seen corresponding path program 2 times [2022-03-04 01:26:19,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:26:19,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511590682] [2022-03-04 01:26:19,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:19,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:26:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 280 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:20,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:26:20,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511590682] [2022-03-04 01:26:20,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511590682] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:26:20,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533956304] [2022-03-04 01:26:20,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 01:26:20,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:20,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:26:20,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 01:26:20,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 01:26:20,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:26:20,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-04 01:26:20,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:26:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-03-04 01:26:20,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:26:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-03-04 01:26:21,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533956304] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:26:21,035 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:26:21,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 13, 13] total 48 [2022-03-04 01:26:21,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631144740] [2022-03-04 01:26:21,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:26:21,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-04 01:26:21,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:26:21,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-04 01:26:21,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-03-04 01:26:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:21,038 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:26:21,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.2083333333333335) internal successors, (154), 48 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:26:21,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:21,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:21,458 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 580 transitions and produced 421 states. [2022-03-04 01:26:21,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:21,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:21,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 01:26:21,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:21,676 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:26:21,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:26:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1716694872, now seen corresponding path program 3 times [2022-03-04 01:26:21,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:26:21,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837227905] [2022-03-04 01:26:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:26:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 280 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:22,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:26:22,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837227905] [2022-03-04 01:26:22,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837227905] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:26:22,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205710559] [2022-03-04 01:26:22,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 01:26:22,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:22,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:22,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:26:22,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 01:26:22,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-04 01:26:22,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:26:22,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-04 01:26:22,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:26:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-04 01:26:22,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:26:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-04 01:26:23,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205710559] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:26:23,115 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:26:23,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 15, 15] total 56 [2022-03-04 01:26:23,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484979102] [2022-03-04 01:26:23,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:26:23,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-03-04 01:26:23,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:26:23,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-03-04 01:26:23,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=2694, Unknown=0, NotChecked=0, Total=3080 [2022-03-04 01:26:23,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:23,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:26:23,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.5535714285714284) internal successors, (199), 56 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:26:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:25,070 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12111 transitions and produced 4265 states. [2022-03-04 01:26:25,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:25,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:25,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:25,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 01:26:25,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:25,291 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:26:25,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:26:25,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2056769421, now seen corresponding path program 4 times [2022-03-04 01:26:25,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:26:25,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543756183] [2022-03-04 01:26:25,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:25,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:26:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 258 proven. 65 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-03-04 01:26:25,462 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:26:25,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543756183] [2022-03-04 01:26:25,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543756183] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:26:25,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080951632] [2022-03-04 01:26:25,462 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 01:26:25,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:25,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:26:25,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 01:26:25,530 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 01:26:25,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:26:25,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-04 01:26:25,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:26:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 170 proven. 71 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-04 01:26:25,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:26:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 190 proven. 51 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-04 01:26:26,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080951632] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:26:26,339 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:26:26,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 43 [2022-03-04 01:26:26,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320285465] [2022-03-04 01:26:26,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:26:26,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-04 01:26:26,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:26:26,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-04 01:26:26,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1484, Unknown=0, NotChecked=0, Total=1806 [2022-03-04 01:26:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:26,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:26:26,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.511627906976744) internal successors, (151), 43 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:26:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:26,808 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 612 transitions and produced 453 states. [2022-03-04 01:26:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 01:26:26,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 01:26:27,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:27,016 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:26:27,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:26:27,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1389807416, now seen corresponding path program 5 times [2022-03-04 01:26:27,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:26:27,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369540520] [2022-03-04 01:26:27,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:27,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:26:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:27,432 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:26:27,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369540520] [2022-03-04 01:26:27,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369540520] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:26:27,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154200759] [2022-03-04 01:26:27,436 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 01:26:27,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:27,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:27,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:26:27,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 01:26:27,504 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-04 01:26:27,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:26:27,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-04 01:26:27,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:26:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:28,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:26:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 338 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:29,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154200759] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:26:29,398 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:26:29,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 86 [2022-03-04 01:26:29,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49561906] [2022-03-04 01:26:29,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:26:29,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-03-04 01:26:29,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:26:29,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-03-04 01:26:29,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1675, Invalid=5635, Unknown=0, NotChecked=0, Total=7310 [2022-03-04 01:26:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:29,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:26:29,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.0930232558139537) internal successors, (266), 86 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:26:29,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:29,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:29,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:29,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 01:26:29,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:30,639 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 756 transitions and produced 576 states. [2022-03-04 01:26:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 01:26:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 01:26:30,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 01:26:30,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:30,858 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:26:30,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:26:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash -934521901, now seen corresponding path program 6 times [2022-03-04 01:26:30,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:26:30,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949449109] [2022-03-04 01:26:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:26:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:31,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:26:31,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949449109] [2022-03-04 01:26:31,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949449109] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:26:31,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841209996] [2022-03-04 01:26:31,360 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 01:26:31,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:31,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:31,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:26:31,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 01:26:31,445 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-04 01:26:31,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:26:31,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-04 01:26:31,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:26:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:32,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:26:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 338 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:33,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841209996] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:26:33,904 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:26:33,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 113 [2022-03-04 01:26:33,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392036026] [2022-03-04 01:26:33,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:26:33,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-03-04 01:26:33,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:26:33,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-03-04 01:26:33,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2281, Invalid=10375, Unknown=0, NotChecked=0, Total=12656 [2022-03-04 01:26:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:33,908 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:26:33,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 3.0707964601769913) internal successors, (347), 113 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:26:33,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:33,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:33,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:33,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 01:26:33,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-04 01:26:33,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:26:35,260 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 820 transitions and produced 652 states. [2022-03-04 01:26:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 01:26:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 01:26:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 01:26:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 01:26:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-04 01:26:35,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 01:26:35,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:35,476 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:26:35,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:26:35,477 INFO L85 PathProgramCache]: Analyzing trace with hash 202580883, now seen corresponding path program 7 times [2022-03-04 01:26:35,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:26:35,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164525453] [2022-03-04 01:26:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:26:35,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:26:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 128 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:44,981 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:26:44,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164525453] [2022-03-04 01:26:44,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164525453] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:26:44,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313424274] [2022-03-04 01:26:44,981 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 01:26:44,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:26:44,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:26:44,982 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:26:44,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 01:26:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:26:45,035 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 168 conjunts are in the unsatisfiable core [2022-03-04 01:26:45,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:26:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:26:58,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:26:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:26:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:26:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:26:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:26:58,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:26:58,745 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 190 disjoint index pairs (out of 325 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 47 [2022-03-04 01:26:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:26:58,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:27:22,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:27:22,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:28:28,598 WARN L228 SmtUtils]: Spent 1.11m on a formula simplification. DAG size of input: 2856 DAG size of output: 2036 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-04 01:28:28,603 INFO L353 Elim1Store]: treesize reduction 3272, result has 59.4 percent of original size [2022-03-04 01:28:28,605 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 91 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 689 case distinctions, treesize of input 200 treesize of output 4835 Received shutdown request... [2022-03-04 01:40:45,822 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 01:40:45,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 01:40:45,831 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:40:45,831 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:40:45,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 01:40:45,859 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:40:46,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-04 01:40:46,035 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. [2022-03-04 01:40:46,037 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 01:40:46,037 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 01:40:46,037 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 01:40:46,040 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-04 01:40:46,042 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 01:40:46,042 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 01:40:46,043 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:40:46 BasicIcfg [2022-03-04 01:40:46,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 01:40:46,043 INFO L158 Benchmark]: Toolchain (without parser) took 871601.43ms. Allocated memory was 206.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 169.1MB in the beginning and 1.1GB in the end (delta: -970.1MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-03-04 01:40:46,044 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 170.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 01:40:46,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.48ms. Allocated memory is still 206.6MB. Free memory was 168.9MB in the beginning and 167.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:40:46,044 INFO L158 Benchmark]: Boogie Preprocessor took 12.66ms. Allocated memory is still 206.6MB. Free memory was 167.4MB in the beginning and 166.5MB in the end (delta: 993.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:40:46,044 INFO L158 Benchmark]: RCFGBuilder took 188.33ms. Allocated memory is still 206.6MB. Free memory was 166.4MB in the beginning and 157.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-04 01:40:46,045 INFO L158 Benchmark]: TraceAbstraction took 871358.32ms. Allocated memory was 206.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 157.0MB in the beginning and 1.1GB in the end (delta: -982.2MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-03-04 01:40:46,045 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 0.11ms. Allocated memory is still 206.6MB. Free memory is still 170.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.48ms. Allocated memory is still 206.6MB. Free memory was 168.9MB in the beginning and 167.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.66ms. Allocated memory is still 206.6MB. Free memory was 167.4MB in the beginning and 166.5MB in the end (delta: 993.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 188.33ms. Allocated memory is still 206.6MB. Free memory was 166.4MB in the beginning and 157.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 871358.32ms. Allocated memory was 206.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 157.0MB in the beginning and 1.1GB in the end (delta: -982.2MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - TimeoutResultAtElement [Line: 53]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - TimeoutResultAtElement [Line: 52]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - TimeoutResultAtElement [Line: 52]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 77ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 871.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 8.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 265, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 1182 NumberOfCodeBlocks, 1176 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1755 ConstructedInterpolants, 0 QuantifiedInterpolants, 10896 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1071 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 5644/7782 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