/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/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:36:17,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:36:17,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:36:17,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:36:17,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:36:17,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:36:17,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:36:17,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:36:17,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:36:17,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:36:17,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:36:17,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:36:17,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:36:17,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:36:17,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:36:17,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:36:17,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:36:17,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:36:17,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:36:17,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:36:17,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:36:17,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:36:17,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:36:17,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:36:17,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:36:17,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:36:17,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:36:17,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:36:17,273 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 11:36:17,299 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:36:17,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:36:17,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:36:17,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:36:17,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:36:17,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:36:17,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:36:17,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:36:17,301 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:36:17,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:36:17,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:36:17,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:36:17,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:36:17,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:36:17,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:36:17,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:36:17,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:36:17,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:36:17,304 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:36:17,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:36:17,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:36:17,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:36:17,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:36:17,305 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:36:17,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:36:17,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:36:17,305 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:36:17,305 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:36:17,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:36:17,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:36:17,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:36:17,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:36:17,513 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:36:17,515 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:36:17,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-03-16 11:36:17,517 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-03-16 11:36:17,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:36:17,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:36:17,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:36:17,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:36:17,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:36:17,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,563 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:36:17,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:36:17,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:36:17,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:36:17,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:36:17,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:36:17,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:36:17,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:36:17,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:36:17,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/1) ... [2022-03-16 11:36:17,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:36:17,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:17,609 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 11:36:17,619 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 11:36:17,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:36:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:36:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:36:17,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:36:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:36:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:36:17,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:36:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:36:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:36:17,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:36:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:36:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:36:17,649 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 11:36:17,683 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:36:17,684 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:36:17,757 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:36:17,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:36:17,763 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:36:17,764 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:36:17 BoogieIcfgContainer [2022-03-16 11:36:17,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:36:17,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:36:17,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:36:17,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:36:17,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:36:17" (1/2) ... [2022-03-16 11:36:17,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b598ba2 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:36:17, skipping insertion in model container [2022-03-16 11:36:17,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:36:17" (2/2) ... [2022-03-16 11:36:17,770 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-03-16 11:36:17,773 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:36:17,773 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:36:17,773 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:36:17,773 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:36:17,815 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:36:17,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:36:17,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:17,852 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 11:36:17,854 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 11:36:17,894 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:36:17,903 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 11:36:17,903 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:36:18,138 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8178 transitions and produced 2915 states. [2022-03-16 11:36:18,140 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:36:18,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:36:18,146 INFO L85 PathProgramCache]: Analyzing trace with hash -81348019, now seen corresponding path program 1 times [2022-03-16 11:36:18,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:36:18,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013812565] [2022-03-16 11:36:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:36:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 232 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:18,866 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:36:18,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013812565] [2022-03-16 11:36:18,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013812565] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:36:18,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153752566] [2022-03-16 11:36:18,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:18,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:36:18,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:18,896 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 11:36:18,897 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 11:36:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:19,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-16 11:36:19,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:36:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 112 proven. 12 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-03-16 11:36:19,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:36:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 112 proven. 12 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-03-16 11:36:19,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153752566] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:36:19,650 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:36:19,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 11, 11] total 38 [2022-03-16 11:36:19,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043511642] [2022-03-16 11:36:19,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:36:19,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-16 11:36:19,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:36:19,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-16 11:36:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1170, Unknown=0, NotChecked=0, Total=1406 [2022-03-16 11:36:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:19,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:36:19,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.3947368421052633) internal successors, (129), 38 states have internal predecessors, (129), 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 11:36:19,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:20,222 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8194 transitions and produced 2931 states. [2022-03-16 11:36:20,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:20,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 11:36:20,439 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 11:36:20,440 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:36:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:36:20,440 INFO L85 PathProgramCache]: Analyzing trace with hash 280146584, now seen corresponding path program 2 times [2022-03-16 11:36:20,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:36:20,441 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718303018] [2022-03-16 11:36:20,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:20,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:36:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 232 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:20,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:36:20,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718303018] [2022-03-16 11:36:20,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718303018] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:36:20,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295991700] [2022-03-16 11:36:20,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:36:20,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:36:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:20,767 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 11:36:20,798 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 11:36:20,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:36:20,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:36:20,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 11:36:20,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:36:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-03-16 11:36:21,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:36:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-03-16 11:36:21,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295991700] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:36:21,601 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:36:21,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 13, 13] total 46 [2022-03-16 11:36:21,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751134349] [2022-03-16 11:36:21,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:36:21,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-16 11:36:21,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:36:21,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-16 11:36:21,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1685, Unknown=0, NotChecked=0, Total=2070 [2022-03-16 11:36:21,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:21,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:36:21,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.217391304347826) internal successors, (148), 46 states have internal predecessors, (148), 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 11:36:21,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:21,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:22,046 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 560 transitions and produced 403 states. [2022-03-16 11:36:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:22,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 11:36:22,247 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 11:36:22,247 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:36:22,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:36:22,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2082853485, now seen corresponding path program 3 times [2022-03-16 11:36:22,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:36:22,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65122526] [2022-03-16 11:36:22,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:22,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:36:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 206 proven. 48 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-16 11:36:22,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:36:22,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65122526] [2022-03-16 11:36:22,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65122526] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:36:22,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126466893] [2022-03-16 11:36:22,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:36:22,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:36:22,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:22,454 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 11:36:22,487 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 11:36:22,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-16 11:36:22,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:36:22,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-16 11:36:22,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:36:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 206 proven. 48 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-16 11:36:22,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:36:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 219 proven. 35 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-16 11:36:23,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126466893] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:36:23,073 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:36:23,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2022-03-16 11:36:23,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901670395] [2022-03-16 11:36:23,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:36:23,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-16 11:36:23,074 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:36:23,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-16 11:36:23,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2022-03-16 11:36:23,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:23,075 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:36:23,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 30 states have internal predecessors, (105), 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 11:36:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:23,370 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 576 transitions and produced 419 states. [2022-03-16 11:36:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 11:36:23,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 11:36:23,573 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 11:36:23,573 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:36:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:36:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2041895304, now seen corresponding path program 4 times [2022-03-16 11:36:23,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:36:23,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826157492] [2022-03-16 11:36:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:23,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:36:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 232 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:23,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:36:23,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826157492] [2022-03-16 11:36:23,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826157492] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:36:23,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723708668] [2022-03-16 11:36:23,989 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:36:23,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:36:23,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:24,006 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 11:36:24,007 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 11:36:24,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:36:24,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:36:24,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 11:36:24,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:36:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 152 proven. 71 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-16 11:36:24,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:36:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 172 proven. 51 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-16 11:36:25,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723708668] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:36:25,094 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:36:25,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 17] total 54 [2022-03-16 11:36:25,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864088434] [2022-03-16 11:36:25,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:36:25,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-03-16 11:36:25,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:36:25,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-03-16 11:36:25,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=504, Invalid=2358, Unknown=0, NotChecked=0, Total=2862 [2022-03-16 11:36:25,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:25,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:36:25,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 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 11:36:25,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:25,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:25,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 11:36:25,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:25,510 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 592 transitions and produced 435 states. [2022-03-16 11:36:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 11:36:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 11:36:25,528 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 11:36:25,711 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 11:36:25,712 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:36:25,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:36:25,712 INFO L85 PathProgramCache]: Analyzing trace with hash 876237453, now seen corresponding path program 5 times [2022-03-16 11:36:25,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:36:25,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209281639] [2022-03-16 11:36:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:25,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:36:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 232 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:26,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:36:26,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209281639] [2022-03-16 11:36:26,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209281639] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:36:26,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144427184] [2022-03-16 11:36:26,002 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:36:26,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:36:26,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:26,004 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 11:36:26,005 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 11:36:26,045 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-16 11:36:26,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:36:26,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-16 11:36:26,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:36:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 232 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:26,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:36:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 282 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:27,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144427184] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:36:27,781 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:36:27,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 80 [2022-03-16 11:36:27,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101077630] [2022-03-16 11:36:27,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:36:27,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-16 11:36:27,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:36:27,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-16 11:36:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1397, Invalid=4923, Unknown=0, NotChecked=0, Total=6320 [2022-03-16 11:36:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:27,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:36:27,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.1) internal successors, (248), 80 states have internal predecessors, (248), 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 11:36:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 11:36:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 11:36:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:28,926 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 736 transitions and produced 558 states. [2022-03-16 11:36:28,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:28,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 11:36:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 11:36:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-16 11:36:28,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-16 11:36:29,128 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 11:36:29,128 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:36:29,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:36:29,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1113936344, now seen corresponding path program 6 times [2022-03-16 11:36:29,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:36:29,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494594015] [2022-03-16 11:36:29,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:29,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:36:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 232 proven. 426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:29,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:36:29,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494594015] [2022-03-16 11:36:29,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494594015] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:36:29,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598994774] [2022-03-16 11:36:29,681 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:36:29,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:36:29,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:29,682 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 11:36:29,684 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 11:36:29,734 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-16 11:36:29,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:36:29,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-16 11:36:29,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:36:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 232 proven. 426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:30,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:36:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 282 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:32,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598994774] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:36:32,247 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:36:32,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 105 [2022-03-16 11:36:32,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639887043] [2022-03-16 11:36:32,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:36:32,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2022-03-16 11:36:32,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:36:32,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2022-03-16 11:36:32,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1900, Invalid=9020, Unknown=0, NotChecked=0, Total=10920 [2022-03-16 11:36:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:32,251 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:36:32,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 3.123809523809524) internal successors, (328), 105 states have internal predecessors, (328), 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 11:36:32,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:32,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:32,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 11:36:32,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 11:36:32,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-16 11:36:32,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:36:33,618 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 768 transitions and produced 608 states. [2022-03-16 11:36:33,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 11:36:33,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 11:36:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 11:36:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 11:36:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-16 11:36:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-03-16 11:36:33,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 11:36:33,827 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 11:36:33,828 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:36:33,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:36:33,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1658410424, now seen corresponding path program 7 times [2022-03-16 11:36:33,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:36:33,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628660764] [2022-03-16 11:36:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:36:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:36:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 115 proven. 644 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:42,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:36:42,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628660764] [2022-03-16 11:36:42,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628660764] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:36:42,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263252776] [2022-03-16 11:36:42,413 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 11:36:42,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:36:42,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:36:42,416 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:36:42,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 11:36:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:36:42,475 WARN L261 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 152 conjunts are in the unsatisfiable core [2022-03-16 11:36:42,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:36:54,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:54,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:54,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:36:54,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:54,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 153 disjoint index pairs (out of 253 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 46 [2022-03-16 11:36:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 759 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:36:54,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:37:14,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:37:14,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:38:00,564 WARN L228 SmtUtils]: Spent 46.27s on a formula simplification. DAG size of input: 2298 DAG size of output: 1646 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 11:38:00,570 INFO L353 Elim1Store]: treesize reduction 2594, result has 59.7 percent of original size [2022-03-16 11:38:00,571 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 78 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 552 case distinctions, treesize of input 180 treesize of output 3887 Received shutdown request... [2022-03-16 11:50:52,328 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 11:50:52,330 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 11:50:52,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 11:50:52,353 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:50:52,353 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:50:52,353 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:50:52,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-16 11:50:52,531 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. [2022-03-16 11:50:52,532 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 11:50:52,532 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 11:50:52,532 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 11:50:52,536 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-16 11:50:52,537 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:50:52,537 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:50:52,539 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:50:52 BasicIcfg [2022-03-16 11:50:52,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:50:52,542 INFO L158 Benchmark]: Toolchain (without parser) took 875000.96ms. Allocated memory was 177.2MB in the beginning and 920.6MB in the end (delta: 743.4MB). Free memory was 137.3MB in the beginning and 729.6MB in the end (delta: -592.4MB). Peak memory consumption was 587.3MB. Max. memory is 8.0GB. [2022-03-16 11:50:52,543 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:50:52,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.93ms. Allocated memory is still 177.2MB. Free memory was 137.1MB in the beginning and 135.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:50:52,543 INFO L158 Benchmark]: Boogie Preprocessor took 14.44ms. Allocated memory is still 177.2MB. Free memory was 135.6MB in the beginning and 134.7MB in the end (delta: 974.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:50:52,543 INFO L158 Benchmark]: RCFGBuilder took 183.44ms. Allocated memory is still 177.2MB. Free memory was 134.6MB in the beginning and 125.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 11:50:52,544 INFO L158 Benchmark]: TraceAbstraction took 874773.28ms. Allocated memory was 177.2MB in the beginning and 920.6MB in the end (delta: 743.4MB). Free memory was 125.2MB in the beginning and 729.6MB in the end (delta: -604.5MB). Peak memory consumption was 574.7MB. Max. memory is 8.0GB. [2022-03-16 11:50:52,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.93ms. Allocated memory is still 177.2MB. Free memory was 137.1MB in the beginning and 135.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.44ms. Allocated memory is still 177.2MB. Free memory was 135.6MB in the beginning and 134.7MB in the end (delta: 974.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 183.44ms. Allocated memory is still 177.2MB. Free memory was 134.6MB in the beginning and 125.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 874773.28ms. Allocated memory was 177.2MB in the beginning and 920.6MB in the end (delta: 743.4MB). Free memory was 125.2MB in the beginning and 729.6MB in the end (delta: -604.5MB). Peak memory consumption was 574.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 127 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 874.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 263, 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, 0.3s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 1110 NumberOfCodeBlocks, 1104 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1647 ConstructedInterpolants, 0 QuantifiedInterpolants, 10247 SizeOfPredicates, 38 NumberOfNonLiveVariables, 1011 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 4680/6774 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