/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:57:05,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:57:05,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:57:05,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:57:05,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:57:05,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:57:05,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:57:05,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:57:05,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:57:05,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:57:05,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:57:05,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:57:05,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:57:05,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:57:05,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:57:05,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:57:05,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:57:05,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:57:05,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:57:06,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:57:06,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:57:06,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:57:06,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:57:06,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:57:06,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:57:06,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:57:06,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:57:06,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:57:06,017 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:57:06,042 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:57:06,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:57:06,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:57:06,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:57:06,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:57:06,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:57:06,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:57:06,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:57:06,044 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:57:06,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:57:06,044 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:57:06,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:57:06,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:57:06,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:57:06,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:57:06,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:57:06,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:57:06,046 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:57:06,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:57:06,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:57:06,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:57:06,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:57:06,243 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:57:06,246 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:57:06,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2022-03-16 22:57:06,248 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2022-03-16 22:57:06,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:57:06,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:57:06,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:57:06,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:57:06,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:57:06,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,286 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:57:06,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:57:06,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:57:06,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:57:06,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:57:06,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:57:06,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:57:06,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:57:06,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:57:06,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/1) ... [2022-03-16 22:57:06,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:57:06,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:57:06,333 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) [2022-03-16 22:57:06,335 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 [2022-03-16 22:57:06,361 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:57:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:57:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:57:06,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:57:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:57:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:57:06,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:57:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:57:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:57:06,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:57:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:57:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:57:06,363 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:57:06,395 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:57:06,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:57:06,469 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:57:06,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:57:06,480 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:57:06,481 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:57:06 BoogieIcfgContainer [2022-03-16 22:57:06,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:57:06,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:57:06,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:57:06,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:57:06,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:57:06" (1/2) ... [2022-03-16 22:57:06,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304aef7e and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:57:06, skipping insertion in model container [2022-03-16 22:57:06,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:57:06" (2/2) ... [2022-03-16 22:57:06,486 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2022-03-16 22:57:06,490 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:57:06,490 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:57:06,490 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:57:06,490 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:57:06,537 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 22:57:06,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:57:06,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:57:06,572 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) [2022-03-16 22:57:06,573 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 [2022-03-16 22:57:06,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:57:06,629 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=true, mMcrOverapproximateWrwc=true [2022-03-16 22:57:06,630 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 22:57:06,811 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 368 transitions and produced 335 states. [2022-03-16 22:57:06,813 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:57:06,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:57:06,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1437978904, now seen corresponding path program 1 times [2022-03-16 22:57:06,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:57:06,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100269658] [2022-03-16 22:57:06,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:57:06,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:57:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:57:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 477 proven. 615 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 22:57:07,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:57:07,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100269658] [2022-03-16 22:57:07,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100269658] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:57:07,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211264529] [2022-03-16 22:57:07,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:57:07,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:57:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:57:07,776 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) [2022-03-16 22:57:07,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:57:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:57:07,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 48 conjunts are in the unsatisfiable core [2022-03-16 22:57:07,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:57:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 516 proven. 576 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 22:57:08,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:57:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 633 proven. 467 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 22:57:10,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211264529] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:57:10,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:57:10,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 45] total 98 [2022-03-16 22:57:10,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795689739] [2022-03-16 22:57:10,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:57:10,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-03-16 22:57:10,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:57:10,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-03-16 22:57:10,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2315, Invalid=7191, Unknown=0, NotChecked=0, Total=9506 [2022-03-16 22:57:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:57:10,231 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:57:10,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 2.4285714285714284) internal successors, (238), 98 states have internal predecessors, (238), 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) [2022-03-16 22:57:10,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:57:13,804 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 634 transitions and produced 600 states. [2022-03-16 22:57:13,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:57:13,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 22:57:14,016 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 [2022-03-16 22:57:14,016 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:57:14,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:57:14,017 INFO L85 PathProgramCache]: Analyzing trace with hash 749511372, now seen corresponding path program 2 times [2022-03-16 22:57:14,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:57:14,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384941604] [2022-03-16 22:57:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:57:14,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:57:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:57:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1169 proven. 1736 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:57:15,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:57:15,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384941604] [2022-03-16 22:57:15,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384941604] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:57:15,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513117928] [2022-03-16 22:57:15,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:57:15,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:57:15,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:57:15,573 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) [2022-03-16 22:57:15,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:57:15,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:57:15,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:57:15,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-16 22:57:15,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:57:17,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1236 proven. 1669 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:57:17,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:57:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1073 proven. 1840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:57:20,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513117928] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:57:20,439 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:57:20,439 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76, 84] total 164 [2022-03-16 22:57:20,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223091865] [2022-03-16 22:57:20,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:57:20,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2022-03-16 22:57:20,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:57:20,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2022-03-16 22:57:20,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5285, Invalid=21447, Unknown=0, NotChecked=0, Total=26732 [2022-03-16 22:57:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:57:20,449 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:57:20,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 2.2439024390243905) internal successors, (368), 164 states have internal predecessors, (368), 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) [2022-03-16 22:57:20,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:57:20,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:57:26,662 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 835 transitions and produced 791 states. [2022-03-16 22:57:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:57:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:57:26,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:57:26,863 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 [2022-03-16 22:57:26,864 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:57:26,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:57:26,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1383431700, now seen corresponding path program 3 times [2022-03-16 22:57:26,864 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:57:26,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978843599] [2022-03-16 22:57:26,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:57:26,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:57:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:57:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2289 proven. 2683 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:57:29,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:57:29,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978843599] [2022-03-16 22:57:29,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978843599] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:57:29,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286603413] [2022-03-16 22:57:29,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:57:29,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:57:29,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:57:29,378 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) [2022-03-16 22:57:29,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:57:30,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 59 check-sat command(s) [2022-03-16 22:57:30,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:57:30,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 106 conjunts are in the unsatisfiable core [2022-03-16 22:57:30,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:57:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2384 proven. 2588 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:57:34,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:57:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2025 proven. 2955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:57:38,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286603413] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:57:38,448 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:57:38,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 107] total 222 [2022-03-16 22:57:38,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70180742] [2022-03-16 22:57:38,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:57:38,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2022-03-16 22:57:38,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:57:38,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2022-03-16 22:57:38,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10115, Invalid=38947, Unknown=0, NotChecked=0, Total=49062 [2022-03-16 22:57:38,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:57:38,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:57:38,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 2.1576576576576576) internal successors, (479), 222 states have internal predecessors, (479), 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) [2022-03-16 22:57:38,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:57:38,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:57:38,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:57:49,575 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1097 transitions and produced 1038 states. [2022-03-16 22:57:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:57:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:57:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 22:57:49,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 22:57:49,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:57:49,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:57:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:57:49,788 INFO L85 PathProgramCache]: Analyzing trace with hash 497484406, now seen corresponding path program 4 times [2022-03-16 22:57:49,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:57:49,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812910693] [2022-03-16 22:57:49,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:57:49,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:57:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:57:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3801 proven. 5235 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:57:54,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:57:54,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812910693] [2022-03-16 22:57:54,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812910693] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:57:54,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371488374] [2022-03-16 22:57:54,147 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:57:54,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:57:54,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:57:54,148 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) [2022-03-16 22:57:54,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:57:54,258 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:57:54,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:57:54,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-16 22:57:54,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:57:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3924 proven. 5112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:57:59,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:58:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3369 proven. 5675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:58:05,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371488374] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:58:05,066 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:58:05,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 135, 143] total 273 [2022-03-16 22:58:05,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942722943] [2022-03-16 22:58:05,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:58:05,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2022-03-16 22:58:05,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:58:05,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2022-03-16 22:58:05,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14568, Invalid=59688, Unknown=0, NotChecked=0, Total=74256 [2022-03-16 22:58:05,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:58:05,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:58:05,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 2.1465201465201464) internal successors, (586), 273 states have internal predecessors, (586), 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) [2022-03-16 22:58:05,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:58:05,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:58:05,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 22:58:05,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:58:21,808 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1283 transitions and produced 1217 states. [2022-03-16 22:58:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:58:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:58:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 22:58:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 22:58:21,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 22:58:22,010 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 [2022-03-16 22:58:22,010 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:58:22,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:58:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash -583703900, now seen corresponding path program 5 times [2022-03-16 22:58:22,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:58:22,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710457934] [2022-03-16 22:58:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:58:22,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:58:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:58:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5705 proven. 6323 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:58:27,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:58:27,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710457934] [2022-03-16 22:58:27,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710457934] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:58:27,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784921952] [2022-03-16 22:58:27,484 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:58:27,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:58:27,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:58:27,485 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) [2022-03-16 22:58:27,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 22:58:27,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 87 check-sat command(s) [2022-03-16 22:58:27,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:58:27,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 162 conjunts are in the unsatisfiable core [2022-03-16 22:58:27,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:58:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5856 proven. 6172 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:58:34,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:58:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5105 proven. 6931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:58:43,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784921952] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:58:43,536 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:58:43,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [155, 155, 163] total 334 [2022-03-16 22:58:43,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532420780] [2022-03-16 22:58:43,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:58:43,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 334 states [2022-03-16 22:58:43,537 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:58:43,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 334 interpolants. [2022-03-16 22:58:43,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23093, Invalid=88129, Unknown=0, NotChecked=0, Total=111222 [2022-03-16 22:58:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:58:43,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:58:43,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 334 states, 334 states have (on average 2.104790419161677) internal successors, (703), 334 states have internal predecessors, (703), 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) [2022-03-16 22:58:43,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:58:43,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:58:43,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 22:58:43,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 22:58:43,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:59:07,251 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1545 transitions and produced 1464 states. [2022-03-16 22:59:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:59:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:59:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 22:59:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 22:59:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 22:59:07,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 22:59:07,453 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 [2022-03-16 22:59:07,453 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:59:07,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:59:07,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1389876998, now seen corresponding path program 6 times [2022-03-16 22:59:07,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:59:07,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889628306] [2022-03-16 22:59:07,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:59:07,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:59:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:59:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8001 proven. 10107 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:59:15,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:59:15,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889628306] [2022-03-16 22:59:15,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889628306] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:59:15,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80516015] [2022-03-16 22:59:15,764 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 22:59:15,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:59:15,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:59:15,765 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) [2022-03-16 22:59:15,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 22:59:17,143 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 101 check-sat command(s) [2022-03-16 22:59:17,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:59:17,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 198 conjunts are in the unsatisfiable core [2022-03-16 22:59:17,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:59:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8180 proven. 9928 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 22:59:27,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:59:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 7233 proven. 10883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:59:37,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80516015] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:59:37,642 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:59:37,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 199] total 385 [2022-03-16 22:59:37,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627710301] [2022-03-16 22:59:37,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:59:37,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 385 states [2022-03-16 22:59:37,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:59:37,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 385 interpolants. [2022-03-16 22:59:37,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29702, Invalid=118138, Unknown=0, NotChecked=0, Total=147840 [2022-03-16 22:59:37,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:59:37,655 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:59:37,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 385 states, 385 states have (on average 2.103896103896104) internal successors, (810), 385 states have internal predecessors, (810), 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) [2022-03-16 22:59:37,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 22:59:37,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 22:59:37,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 22:59:37,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 22:59:37,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 22:59:37,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:00:11,541 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1731 transitions and produced 1643 states. [2022-03-16 23:00:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:00:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:00:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:00:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:00:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:00:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:00:11,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 23:00:11,742 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 [2022-03-16 23:00:11,743 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:00:11,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:00:11,743 INFO L85 PathProgramCache]: Analyzing trace with hash 882730804, now seen corresponding path program 7 times [2022-03-16 23:00:11,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:00:11,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10035022] [2022-03-16 23:00:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:00:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:00:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:00:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10689 proven. 11531 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:00:22,078 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:00:22,078 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10035022] [2022-03-16 23:00:22,078 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10035022] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:00:22,078 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367512620] [2022-03-16 23:00:22,078 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 23:00:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:00:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:00:22,080 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) [2022-03-16 23:00:22,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 23:00:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:00:22,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 218 conjunts are in the unsatisfiable core [2022-03-16 23:00:22,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:00:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10896 proven. 11324 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:00:35,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:00:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 9753 proven. 12475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:00:49,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367512620] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:00:49,624 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:00:49,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 211, 219] total 446 [2022-03-16 23:00:49,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411034135] [2022-03-16 23:00:49,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:00:49,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 446 states [2022-03-16 23:00:49,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:00:49,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 446 interpolants. [2022-03-16 23:00:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41559, Invalid=156911, Unknown=0, NotChecked=0, Total=198470 [2022-03-16 23:00:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:00:49,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:00:49,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 446 states, 446 states have (on average 2.07847533632287) internal successors, (927), 446 states have internal predecessors, (927), 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) [2022-03-16 23:00:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:00:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:00:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:00:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:00:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:00:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:00:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:01:34,310 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1993 transitions and produced 1890 states. [2022-03-16 23:01:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:01:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:01:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:01:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:01:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:01:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:01:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:01:34,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 23:01:34,511 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 [2022-03-16 23:01:34,511 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:01:34,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:01:34,512 INFO L85 PathProgramCache]: Analyzing trace with hash -2070885482, now seen corresponding path program 8 times [2022-03-16 23:01:34,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:01:34,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502915851] [2022-03-16 23:01:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:01:34,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:01:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:01:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 13769 proven. 16547 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:01:48,380 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:01:48,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502915851] [2022-03-16 23:01:48,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502915851] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:01:48,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919652684] [2022-03-16 23:01:48,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:01:48,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:01:48,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:01:48,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:01:48,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 23:01:48,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:01:48,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:01:48,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 254 conjunts are in the unsatisfiable core [2022-03-16 23:01:48,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:02:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 14004 proven. 16312 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:02:05,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:02:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 12665 proven. 17659 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:02:22,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919652684] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:02:22,099 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:02:22,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [247, 247, 255] total 497 [2022-03-16 23:02:22,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778419956] [2022-03-16 23:02:22,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:02:22,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 497 states [2022-03-16 23:02:22,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:02:22,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 497 interpolants. [2022-03-16 23:02:22,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50324, Invalid=196188, Unknown=0, NotChecked=0, Total=246512 [2022-03-16 23:02:22,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:02:22,119 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:02:22,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 497 states, 497 states have (on average 2.080482897384306) internal successors, (1034), 497 states have internal predecessors, (1034), 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) [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:02:22,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:20,550 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2179 transitions and produced 2069 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:03:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:03:20,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-16 23:03:20,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:20,752 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:20,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash 15567812, now seen corresponding path program 9 times [2022-03-16 23:03:20,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:20,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471750954] [2022-03-16 23:03:20,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:20,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17241 proven. 18307 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:03:36,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:36,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471750954] [2022-03-16 23:03:36,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471750954] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:36,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369842141] [2022-03-16 23:03:36,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:03:36,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:36,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:36,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:03:36,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 23:04:20,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 143 check-sat command(s) [2022-03-16 23:04:20,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:04:20,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 278 conjunts are in the unsatisfiable core [2022-03-16 23:04:20,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:04:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17504 proven. 18044 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:04:41,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:05:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 15969 proven. 19587 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:05:02,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369842141] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:05:02,847 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:05:02,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [267, 267, 275] total 558 [2022-03-16 23:05:02,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521909358] [2022-03-16 23:05:02,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:05:02,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 558 states [2022-03-16 23:05:02,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:05:02,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 558 interpolants. [2022-03-16 23:05:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65513, Invalid=245293, Unknown=0, NotChecked=0, Total=310806 [2022-03-16 23:05:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:05:02,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:05:02,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 558 states, 558 states have (on average 2.0627240143369177) internal successors, (1151), 558 states have internal predecessors, (1151), 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) [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:05:02,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:06:19,010 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2441 transitions and produced 2316 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:06:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:06:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-16 23:06:19,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-16 23:06:19,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-16 23:06:19,211 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:06:19,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:06:19,212 INFO L85 PathProgramCache]: Analyzing trace with hash 454156326, now seen corresponding path program 10 times [2022-03-16 23:06:19,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:06:19,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049363229] [2022-03-16 23:06:19,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:06:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:06:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:06:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21105 proven. 24555 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:06:40,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:06:40,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049363229] [2022-03-16 23:06:40,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049363229] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:06:40,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285504133] [2022-03-16 23:06:40,047 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:06:40,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:06:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:06:40,048 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:06:40,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 23:06:40,268 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:06:40,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:06:40,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 310 conjunts are in the unsatisfiable core [2022-03-16 23:06:40,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:07:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21396 proven. 24264 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:07:05,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:07:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 19665 proven. 26003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:07:30,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285504133] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:07:30,715 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:07:30,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [303, 303, 311] total 609 [2022-03-16 23:07:30,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724132443] [2022-03-16 23:07:30,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:07:30,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 609 states [2022-03-16 23:07:30,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:07:30,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 609 interpolants. [2022-03-16 23:07:30,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76434, Invalid=293838, Unknown=0, NotChecked=0, Total=370272 [2022-03-16 23:07:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:07:30,741 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:07:30,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 609 states, 609 states have (on average 2.0656814449917897) internal successors, (1258), 609 states have internal predecessors, (1258), 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) [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 691 states. [2022-03-16 23:07:30,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:09:06,174 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2627 transitions and produced 2495 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:09:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-16 23:09:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 760 states. [2022-03-16 23:09:06,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-16 23:09:06,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-16 23:09:06,406 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:09:06,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:09:06,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1785057364, now seen corresponding path program 11 times [2022-03-16 23:09:06,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:09:06,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322447107] [2022-03-16 23:09:06,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:09:06,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:09:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-16 23:09:09,603 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 23:09:09,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-16 23:09:09,604 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 671 with TraceHistMax 170,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. [2022-03-16 23:09:09,605 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 23:09:09,609 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 23:09:09,609 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 23:09:09,617 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 [2022-03-16 23:09:09,617 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 [2022-03-16 23:09:09,621 INFO L732 BasicCegarLoop]: Path program histogram: [11] [2022-03-16 23:09:09,622 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 23:09:09,622 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 23:09:09,624 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:09:09 BasicIcfg [2022-03-16 23:09:09,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 23:09:09,624 INFO L158 Benchmark]: Toolchain (without parser) took 723356.52ms. Allocated memory was 212.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 171.6MB in the beginning and 549.8MB in the end (delta: -378.2MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-16 23:09:09,625 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 212.9MB. Free memory is still 172.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:09:09,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.79ms. Allocated memory is still 212.9MB. Free memory was 171.5MB in the beginning and 170.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-16 23:09:09,625 INFO L158 Benchmark]: Boogie Preprocessor took 16.75ms. Allocated memory is still 212.9MB. Free memory was 170.0MB in the beginning and 169.0MB in the end (delta: 970.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:09:09,625 INFO L158 Benchmark]: RCFGBuilder took 176.07ms. Allocated memory is still 212.9MB. Free memory was 169.0MB in the beginning and 159.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-16 23:09:09,625 INFO L158 Benchmark]: TraceAbstraction took 723141.57ms. Allocated memory was 212.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 159.1MB in the beginning and 549.8MB in the end (delta: -390.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-16 23:09:09,626 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 212.9MB. Free memory is still 172.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.79ms. Allocated memory is still 212.9MB. Free memory was 171.5MB in the beginning and 170.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.75ms. Allocated memory is still 212.9MB. Free memory was 170.0MB in the beginning and 169.0MB in the end (delta: 970.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 176.07ms. Allocated memory is still 212.9MB. Free memory was 169.0MB in the beginning and 159.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 723141.57ms. Allocated memory was 212.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 159.1MB in the beginning and 549.8MB in the end (delta: -390.7MB). Peak memory consumption was 1.8GB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 671 with TraceHistMax 170,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 58]: 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 671 with TraceHistMax 170,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 59]: 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 671 with TraceHistMax 170,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 58]: 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 671 with TraceHistMax 170,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 723.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 370.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4455, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 49.3s SatisfiabilityAnalysisTime, 297.4s InterpolantComputationTime, 7380 NumberOfCodeBlocks, 7380 NumberOfCodeBlocksAsserted, 408 NumberOfCheckSat, 11040 ConstructedInterpolants, 0 QuantifiedInterpolants, 77672 SizeOfPredicates, 60 NumberOfNonLiveVariables, 9235 ConjunctsInSsa, 1799 ConjunctsInUnsatCore, 30 InterpolantComputations, 0 PerfectInterpolantSequences, 247804/545907 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