/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 00:02:07,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 00:02:07,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 00:02:07,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 00:02:07,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 00:02:07,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 00:02:07,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 00:02:07,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 00:02:07,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 00:02:07,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 00:02:07,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 00:02:07,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 00:02:07,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 00:02:07,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 00:02:07,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 00:02:07,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 00:02:07,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 00:02:07,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 00:02:07,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 00:02:07,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 00:02:07,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 00:02:07,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 00:02:07,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 00:02:07,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 00:02:07,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 00:02:07,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 00:02:07,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 00:02:07,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 00:02:07,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-02 00:02:07,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 00:02:07,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 00:02:07,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 00:02:07,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 00:02:07,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 00:02:07,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 00:02:07,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 00:02:07,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 00:02:07,971 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 00:02:07,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 00:02:07,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 00:02:07,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 00:02:07,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 00:02:07,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 00:02:07,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 00:02:07,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 00:02:07,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 00:02:07,973 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 00:02:07,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 00:02:07,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 00:02:07,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 00:02:07,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 00:02:07,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 00:02:07,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 00:02:07,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 00:02:07,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:02:07,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 00:02:07,974 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 00:02:07,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 00:02:07,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 00:02:07,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 00:02:07,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 00:02:07,975 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 00:02:07,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 00:02:07,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 00:02:07,976 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 00:02:07,976 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-02 00:02:07,976 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 00:02:07,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 00:02:08,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 00:02:08,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 00:02:08,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 00:02:08,211 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 00:02:08,212 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 00:02:08,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2022-03-02 00:02:08,213 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2022-03-02 00:02:08,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 00:02:08,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 00:02:08,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 00:02:08,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 00:02:08,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 00:02:08,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,260 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 00:02:08,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 00:02:08,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 00:02:08,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 00:02:08,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 00:02:08,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 00:02:08,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 00:02:08,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 00:02:08,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 00:02:08,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/1) ... [2022-03-02 00:02:08,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:02:08,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:08,312 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) [2022-03-02 00:02:08,314 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 [2022-03-02 00:02:08,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 00:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 00:02:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 00:02:08,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 00:02:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 00:02:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 00:02:08,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 00:02:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 00:02:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 00:02:08,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 00:02:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 00:02:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 00:02:08,345 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 00:02:08,384 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 00:02:08,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 00:02:08,521 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 00:02:08,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 00:02:08,534 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 00:02:08,536 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:02:08 BoogieIcfgContainer [2022-03-02 00:02:08,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 00:02:08,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 00:02:08,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 00:02:08,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 00:02:08,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:02:08" (1/2) ... [2022-03-02 00:02:08,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83c33fd and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 12:02:08, skipping insertion in model container [2022-03-02 00:02:08,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:02:08" (2/2) ... [2022-03-02 00:02:08,547 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2022-03-02 00:02:08,555 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 00:02:08,556 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 00:02:08,556 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 00:02:08,556 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 00:02:08,622 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 00:02:08,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 00:02:08,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:08,679 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) [2022-03-02 00:02:08,710 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 [2022-03-02 00:02:08,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 00:02:08,763 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-02 00:02:08,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 00:02:09,241 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1682 transitions and produced 636 states. [2022-03-02 00:02:09,243 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:02:09,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:02:09,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1755737126, now seen corresponding path program 1 times [2022-03-02 00:02:09,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:02:09,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785203689] [2022-03-02 00:02:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:02:09,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:02:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:02:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:02:09,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:02:09,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785203689] [2022-03-02 00:02:09,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785203689] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:02:09,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349424348] [2022-03-02 00:02:09,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:02:09,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:02:09,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:09,639 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) [2022-03-02 00:02:09,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 00:02:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:02:09,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 00:02:09,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:02:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-02 00:02:09,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:02:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-02 00:02:10,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349424348] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:02:10,177 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:02:10,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 23 [2022-03-02 00:02:10,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797468127] [2022-03-02 00:02:10,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:02:10,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-02 00:02:10,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:02:10,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-02 00:02:10,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2022-03-02 00:02:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:10,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:02:10,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 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) [2022-03-02 00:02:10,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:10,862 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1693 transitions and produced 647 states. [2022-03-02 00:02:10,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:10,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 00:02:11,083 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 [2022-03-02 00:02:11,084 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:02:11,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:02:11,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1366218564, now seen corresponding path program 2 times [2022-03-02 00:02:11,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:02:11,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879141834] [2022-03-02 00:02:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:02:11,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:02:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:02:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 00:02:11,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:02:11,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879141834] [2022-03-02 00:02:11,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879141834] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:02:11,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869596229] [2022-03-02 00:02:11,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 00:02:11,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:02:11,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:11,260 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) [2022-03-02 00:02:11,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 00:02:11,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 00:02:11,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:02:11,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-02 00:02:11,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:02:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-02 00:02:11,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:02:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-02 00:02:11,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869596229] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:02:11,748 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:02:11,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 23 [2022-03-02 00:02:11,748 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240802167] [2022-03-02 00:02:11,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:02:11,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-02 00:02:11,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:02:11,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-02 00:02:11,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2022-03-02 00:02:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:11,752 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:02:11,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 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) [2022-03-02 00:02:11,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:11,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:12,469 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1704 transitions and produced 658 states. [2022-03-02 00:02:12,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:12,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:02:12,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 00:02:12,694 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 [2022-03-02 00:02:12,695 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:02:12,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:02:12,696 INFO L85 PathProgramCache]: Analyzing trace with hash 701035234, now seen corresponding path program 3 times [2022-03-02 00:02:12,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:02:12,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644453359] [2022-03-02 00:02:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:02:12,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:02:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:02:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:02:12,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:02:12,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644453359] [2022-03-02 00:02:12,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644453359] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:02:12,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274979549] [2022-03-02 00:02:12,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 00:02:12,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:02:12,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:12,922 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) [2022-03-02 00:02:12,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 00:02:13,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-03-02 00:02:13,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:02:13,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-02 00:02:13,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:02:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 00:02:13,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:02:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 00:02:13,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274979549] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:02:13,637 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:02:13,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 35 [2022-03-02 00:02:13,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206778561] [2022-03-02 00:02:13,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:02:13,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-02 00:02:13,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:02:13,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-02 00:02:13,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2022-03-02 00:02:13,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:13,639 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:02:13,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.5428571428571427) internal successors, (89), 35 states have internal predecessors, (89), 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) [2022-03-02 00:02:13,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:13,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:02:13,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:14,148 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 237 transitions and produced 184 states. [2022-03-02 00:02:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:02:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:14,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 00:02:14,371 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 [2022-03-02 00:02:14,372 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:02:14,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:02:14,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1409982208, now seen corresponding path program 4 times [2022-03-02 00:02:14,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:02:14,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451656475] [2022-03-02 00:02:14,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:02:14,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:02:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:02:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:02:14,563 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:02:14,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451656475] [2022-03-02 00:02:14,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451656475] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:02:14,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903304206] [2022-03-02 00:02:14,563 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 00:02:14,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:02:14,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:14,567 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) [2022-03-02 00:02:14,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 00:02:14,604 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 00:02:14,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:02:14,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-02 00:02:14,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:02:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:02:14,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:02:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:02:15,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903304206] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:02:15,153 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:02:15,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 35 [2022-03-02 00:02:15,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921663313] [2022-03-02 00:02:15,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:02:15,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-02 00:02:15,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:02:15,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-02 00:02:15,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=994, Unknown=0, NotChecked=0, Total=1190 [2022-03-02 00:02:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:15,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:02:15,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.657142857142857) internal successors, (93), 35 states have internal predecessors, (93), 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) [2022-03-02 00:02:15,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:15,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:02:15,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:15,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:15,916 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1726 transitions and produced 680 states. [2022-03-02 00:02:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:02:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:15,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 00:02:16,135 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 [2022-03-02 00:02:16,135 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:02:16,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:02:16,136 INFO L85 PathProgramCache]: Analyzing trace with hash -191775842, now seen corresponding path program 5 times [2022-03-02 00:02:16,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:02:16,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150987901] [2022-03-02 00:02:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:02:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:02:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:02:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:02:16,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:02:16,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150987901] [2022-03-02 00:02:16,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150987901] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:02:16,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441132958] [2022-03-02 00:02:16,285 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 00:02:16,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:02:16,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:16,288 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) [2022-03-02 00:02:16,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 00:02:16,329 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-03-02 00:02:16,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:02:16,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-02 00:02:16,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:02:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:02:16,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:02:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:02:17,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441132958] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:02:17,181 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:02:17,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 47 [2022-03-02 00:02:17,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174445077] [2022-03-02 00:02:17,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:02:17,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-03-02 00:02:17,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:02:17,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-03-02 00:02:17,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=1758, Unknown=0, NotChecked=0, Total=2162 [2022-03-02 00:02:17,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:17,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:02:17,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.382978723404255) internal successors, (112), 47 states have internal predecessors, (112), 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) [2022-03-02 00:02:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:02:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:02:17,852 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 270 transitions and produced 215 states. [2022-03-02 00:02:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:02:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:02:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 00:02:17,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-02 00:02:17,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 00:02:18,071 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 [2022-03-02 00:02:18,072 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:02:18,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:02:18,072 INFO L85 PathProgramCache]: Analyzing trace with hash 672122458, now seen corresponding path program 6 times [2022-03-02 00:02:18,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:02:18,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600113812] [2022-03-02 00:02:18,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:02:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:02:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:02:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:02:19,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:02:19,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600113812] [2022-03-02 00:02:19,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600113812] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:02:19,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877723443] [2022-03-02 00:02:19,614 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 00:02:19,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:02:19,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:02:19,616 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) [2022-03-02 00:02:19,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 00:02:19,677 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-02 00:02:19,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:02:19,679 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-02 00:02:19,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:03:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:08,528 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:03:08,529 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 33 case distinctions, treesize of input 172 treesize of output 436 [2022-03-02 00:03:10,056 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:03:10,056 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 132 treesize of output 1588 [2022-03-02 00:03:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:03:10,563 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:03:10,564 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 33 case distinctions, treesize of input 2172 treesize of output 2008 Received shutdown request... [2022-03-02 00:15:41,541 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 00:15:41,544 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 00:15:41,547 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 [2022-03-02 00:15:41,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 00:15:41,554 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 [2022-03-02 00:15:41,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 00:15:41,745 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 [2022-03-02 00:15:41,745 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. [2022-03-02 00:15:41,747 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 00:15:41,747 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 00:15:41,747 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 00:15:41,757 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 00:15:41,759 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:15:41,759 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:15:41,760 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:15:41 BasicIcfg [2022-03-02 00:15:41,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:15:41,761 INFO L158 Benchmark]: Toolchain (without parser) took 813525.88ms. Allocated memory was 203.4MB in the beginning and 440.4MB in the end (delta: 237.0MB). Free memory was 163.2MB in the beginning and 342.0MB in the end (delta: -178.8MB). Peak memory consumption was 289.6MB. Max. memory is 8.0GB. [2022-03-02 00:15:41,761 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:15:41,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.26ms. Allocated memory is still 203.4MB. Free memory was 163.2MB in the beginning and 161.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:15:41,762 INFO L158 Benchmark]: Boogie Preprocessor took 23.38ms. Allocated memory is still 203.4MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 971.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:15:41,762 INFO L158 Benchmark]: RCFGBuilder took 250.06ms. Allocated memory is still 203.4MB. Free memory was 160.5MB in the beginning and 151.3MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 00:15:41,763 INFO L158 Benchmark]: TraceAbstraction took 813222.69ms. Allocated memory was 203.4MB in the beginning and 440.4MB in the end (delta: 237.0MB). Free memory was 150.8MB in the beginning and 342.0MB in the end (delta: -191.2MB). Peak memory consumption was 278.1MB. Max. memory is 8.0GB. [2022-03-02 00:15:41,764 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 203.4MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.26ms. Allocated memory is still 203.4MB. Free memory was 163.2MB in the beginning and 161.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.38ms. Allocated memory is still 203.4MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 971.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 250.06ms. Allocated memory is still 203.4MB. Free memory was 160.5MB in the beginning and 151.3MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 813222.69ms. Allocated memory was 203.4MB in the beginning and 440.4MB in the end (delta: 237.0MB). Free memory was 150.8MB in the beginning and 342.0MB in the end (delta: -191.2MB). Peak memory consumption was 278.1MB. 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: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - TimeoutResultAtElement [Line: 60]: 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 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - TimeoutResultAtElement [Line: 60]: 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 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - TimeoutResultAtElement [Line: 61]: 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 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 813.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 3340 SizeOfPredicates, 32 NumberOfNonLiveVariables, 530 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 430/780 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