/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:49:42,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:49:42,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:49:42,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:49:42,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:49:42,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:49:42,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:49:42,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:49:42,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:49:42,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:49:42,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:49:42,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:49:42,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:49:42,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:49:42,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:49:42,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:49:42,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:49:42,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:49:42,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:49:42,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:49:42,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:49:42,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:49:42,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:49:42,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:49:42,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:49:42,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:49:42,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:49:42,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:49:42,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 11:49:42,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:49:42,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:49:42,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:49:42,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:49:42,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:49:42,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:49:42,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:49:42,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:49:42,987 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:49:42,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:49:42,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:49:42,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:49:42,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:49:42,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:49:42,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:49:42,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:49:42,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:49:42,989 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:49:42,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:49:43,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:49:43,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:49:43,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:49:43,209 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:49:43,210 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:49:43,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2022-03-16 11:49:43,211 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2022-03-16 11:49:43,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:49:43,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:49:43,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:49:43,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:49:43,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:49:43,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,251 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:49:43,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:49:43,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:49:43,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:49:43,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:49:43,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:49:43,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:49:43,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:49:43,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:49:43,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/1) ... [2022-03-16 11:49:43,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:49:43,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:43,322 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 11:49:43,352 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 11:49:43,361 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:49:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:49:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:49:43,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:49:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:49:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:49:43,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:49:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:49:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:49:43,363 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:49:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:49:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:49:43,365 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 11:49:43,401 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:49:43,405 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:49:43,504 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:49:43,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:49:43,515 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:49:43,517 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:49:43 BoogieIcfgContainer [2022-03-16 11:49:43,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:49:43,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:49:43,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:49:43,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:49:43,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:49:43" (1/2) ... [2022-03-16 11:49:43,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf26a34 and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:49:43, skipping insertion in model container [2022-03-16 11:49:43,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:49:43" (2/2) ... [2022-03-16 11:49:43,524 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2022-03-16 11:49:43,528 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:49:43,528 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:49:43,528 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:49:43,528 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:49:43,551 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:49:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:49:43,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:43,605 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 11:49:43,606 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 11:49:43,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:49:43,639 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 11:49:43,639 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:49:43,744 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-16 11:49:43,746 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:49:43,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:49:43,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-03-16 11:49:43,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:49:43,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852635270] [2022-03-16 11:49:43,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:43,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:49:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:49:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:49:44,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:49:44,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852635270] [2022-03-16 11:49:44,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852635270] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:49:44,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138687766] [2022-03-16 11:49:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:44,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:49:44,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:44,207 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 11:49:44,223 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 11:49:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:49:44,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 11:49:44,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:49:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-16 11:49:44,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:49:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-16 11:49:44,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138687766] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:49:44,778 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:49:44,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-16 11:49:44,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69885733] [2022-03-16 11:49:44,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:49:44,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-16 11:49:44,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:49:44,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-16 11:49:44,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-16 11:49:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:44,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:49:44,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 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 11:49:44,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:45,181 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-16 11:49:45,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:45,198 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 11:49:45,400 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 11:49:45,400 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:49:45,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:49:45,401 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-03-16 11:49:45,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:49:45,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153794206] [2022-03-16 11:49:45,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:45,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:49:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:49:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:49:45,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:49:45,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153794206] [2022-03-16 11:49:45,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153794206] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:49:45,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998828460] [2022-03-16 11:49:45,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:49:45,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:49:45,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:45,632 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 11:49:45,651 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 11:49:45,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:49:45,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:49:45,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 11:49:45,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:49:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-16 11:49:45,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:49:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-16 11:49:46,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998828460] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:49:46,102 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:49:46,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-16 11:49:46,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827466701] [2022-03-16 11:49:46,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:49:46,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-16 11:49:46,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:49:46,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-16 11:49:46,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-16 11:49:46,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:46,107 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:49:46,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 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 11:49:46,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:46,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:46,462 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-16 11:49:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:46,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 11:49:46,663 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 11:49:46,664 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:49:46,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:49:46,665 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-03-16 11:49:46,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:49:46,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376969594] [2022-03-16 11:49:46,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:46,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:49:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:49:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 11:49:46,818 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:49:46,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376969594] [2022-03-16 11:49:46,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376969594] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:49:46,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039502173] [2022-03-16 11:49:46,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:49:46,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:49:46,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:46,824 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 11:49:46,863 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 11:49:46,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-16 11:49:46,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:49:46,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 11:49:46,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:49:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 11:49:47,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:49:47,253 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 59 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 11:49:47,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039502173] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:49:47,254 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:49:47,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2022-03-16 11:49:47,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446799646] [2022-03-16 11:49:47,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:49:47,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-16 11:49:47,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:49:47,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-16 11:49:47,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2022-03-16 11:49:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:47,256 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:49:47,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 26 states have internal predecessors, (73), 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 11:49:47,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:47,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:47,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:47,559 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 279 transitions and produced 219 states. [2022-03-16 11:49:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:47,579 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 11:49:47,776 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 11:49:47,777 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:49:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:49:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash -270324618, now seen corresponding path program 4 times [2022-03-16 11:49:47,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:49:47,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688404234] [2022-03-16 11:49:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:47,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:49:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:49:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:49:47,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:49:47,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688404234] [2022-03-16 11:49:47,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688404234] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:49:47,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281523949] [2022-03-16 11:49:47,979 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:49:47,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:49:47,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:47,980 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 11:49:47,981 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 11:49:48,014 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:49:48,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:49:48,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 11:49:48,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:49:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 50 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 11:49:48,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:49:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 50 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 11:49:48,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281523949] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:49:48,483 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:49:48,484 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 14] total 38 [2022-03-16 11:49:48,484 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617879811] [2022-03-16 11:49:48,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:49:48,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-16 11:49:48,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:49:48,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-16 11:49:48,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1183, Unknown=0, NotChecked=0, Total=1406 [2022-03-16 11:49:48,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:48,485 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:49:48,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.6315789473684212) internal successors, (100), 38 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:49:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:48,964 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1087 transitions and produced 489 states. [2022-03-16 11:49:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:48,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 11:49:49,165 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 11:49:49,166 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:49:49,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:49:49,166 INFO L85 PathProgramCache]: Analyzing trace with hash -25204396, now seen corresponding path program 5 times [2022-03-16 11:49:49,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:49:49,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402328242] [2022-03-16 11:49:49,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:49,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:49:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:49:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:49:49,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:49:49,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402328242] [2022-03-16 11:49:49,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402328242] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:49:49,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348456064] [2022-03-16 11:49:49,369 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:49:49,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:49:49,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:49,370 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 11:49:49,371 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 11:49:49,404 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-03-16 11:49:49,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:49:49,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-16 11:49:49,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:49:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 11:49:49,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:49:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 61 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 11:49:50,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348456064] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:49:50,051 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:49:50,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 18] total 49 [2022-03-16 11:49:50,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143193357] [2022-03-16 11:49:50,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:49:50,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-16 11:49:50,052 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:49:50,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-16 11:49:50,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=1919, Unknown=0, NotChecked=0, Total=2352 [2022-03-16 11:49:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:50,053 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:49:50,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.510204081632653) internal successors, (123), 49 states have internal predecessors, (123), 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 11:49:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:50,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:50,649 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 250 states. [2022-03-16 11:49:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 11:49:50,668 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 11:49:50,860 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 11:49:50,860 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:49:50,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:49:50,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 6 times [2022-03-16 11:49:50,861 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:49:50,861 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118511729] [2022-03-16 11:49:50,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:50,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:49:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:49:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:49:51,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:49:51,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118511729] [2022-03-16 11:49:51,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118511729] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:49:51,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496331760] [2022-03-16 11:49:51,049 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:49:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:49:51,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:49:51,050 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 11:49:51,061 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 11:49:51,112 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-16 11:49:51,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:49:51,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 32 conjunts are in the unsatisfiable core [2022-03-16 11:49:51,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:49:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 15 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:49:51,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:49:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 42 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:49:52,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496331760] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:49:52,268 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:49:52,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 25] total 68 [2022-03-16 11:49:52,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428233547] [2022-03-16 11:49:52,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:49:52,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-03-16 11:49:52,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:49:52,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-03-16 11:49:52,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=3794, Unknown=0, NotChecked=0, Total=4556 [2022-03-16 11:49:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:52,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:49:52,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 2.1470588235294117) internal successors, (146), 68 states have internal predecessors, (146), 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 11:49:52,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:52,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:52,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:52,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:52,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 11:49:52,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:49:53,120 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 386 transitions and produced 295 states. [2022-03-16 11:49:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:49:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:49:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:49:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 11:49:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-16 11:49:53,149 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 11:49:53,321 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 11:49:53,322 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:49:53,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:49:53,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 7 times [2022-03-16 11:49:53,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:49:53,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991928348] [2022-03-16 11:49:53,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:49:53,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:49:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-16 12:04:16,030 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 12:04:16,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-16 12:04:16,031 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-2-56-5-32-5-32-5-32-5-32-5-31-5-31-5-27-5-27-5-26-5-24-5-24-5-24-5-22-5-21-5-21-5-20-5-18-5-17-5-14-5-7-5-6-3-6-3-6-3-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. [2022-03-16 12:04:16,032 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 12:04:16,032 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 12:04:16,033 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 12:04:16,037 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-16 12:04:16,038 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 12:04:16,038 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 12:04:16,040 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 12:04:16 BasicIcfg [2022-03-16 12:04:16,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 12:04:16,041 INFO L158 Benchmark]: Toolchain (without parser) took 872809.82ms. Allocated memory was 185.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 148.2MB in the beginning and 861.6MB in the end (delta: -713.3MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-03-16 12:04:16,041 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 185.6MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 12:04:16,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.88ms. Allocated memory is still 185.6MB. Free memory was 148.1MB in the beginning and 146.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 12:04:16,041 INFO L158 Benchmark]: Boogie Preprocessor took 17.46ms. Allocated memory is still 185.6MB. Free memory was 146.6MB in the beginning and 145.7MB in the end (delta: 916.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 12:04:16,042 INFO L158 Benchmark]: RCFGBuilder took 243.68ms. Allocated memory is still 185.6MB. Free memory was 145.6MB in the beginning and 136.4MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 12:04:16,042 INFO L158 Benchmark]: TraceAbstraction took 872521.56ms. Allocated memory was 185.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 136.0MB in the beginning and 861.6MB in the end (delta: -725.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-16 12:04:16,043 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 0.12ms. Allocated memory is still 185.6MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.88ms. Allocated memory is still 185.6MB. Free memory was 148.1MB in the beginning and 146.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.46ms. Allocated memory is still 185.6MB. Free memory was 146.6MB in the beginning and 145.7MB in the end (delta: 916.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 243.68ms. Allocated memory is still 185.6MB. Free memory was 145.6MB in the beginning and 136.4MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 872521.56ms. Allocated memory was 185.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 136.0MB in the beginning and 861.6MB in the end (delta: -725.6MB). Peak memory consumption was 1.2GB. 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-2-56-5-32-5-32-5-32-5-32-5-31-5-31-5-27-5-27-5-26-5-24-5-24-5-24-5-22-5-21-5-21-5-20-5-18-5-17-5-14-5-7-5-6-3-6-3-6-3-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-2-56-5-32-5-32-5-32-5-32-5-31-5-31-5-27-5-27-5-26-5-24-5-24-5-24-5-22-5-21-5-21-5-20-5-18-5-17-5-14-5-7-5-6-3-6-3-6-3-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-2-56-5-32-5-32-5-32-5-32-5-31-5-31-5-27-5-27-5-26-5-24-5-24-5-24-5-22-5-21-5-21-5-20-5-18-5-17-5-14-5-7-5-6-3-6-3-6-3-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-2-56-5-32-5-32-5-32-5-32-5-31-5-31-5-27-5-27-5-26-5-24-5-24-5-24-5-22-5-21-5-21-5-20-5-18-5-17-5-14-5-7-5-6-3-6-3-6-3-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 872.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 196, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 592 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 870 ConstructedInterpolants, 0 QuantifiedInterpolants, 4870 SizeOfPredicates, 36 NumberOfNonLiveVariables, 741 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 967/1632 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