/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 02:19:17,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 02:19:17,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 02:19:17,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-23 02:19:17,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-23 02:19:17,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-23 02:19:17,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-23 02:19:17,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-23 02:19:17,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-23 02:19:17,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-23 02:19:17,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-23 02:19:17,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-23 02:19:17,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 02:19:17,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 02:19:17,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 02:19:17,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 02:19:17,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 02:19:17,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 02:19:17,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 02:19:17,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 02:19:17,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 02:19:17,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 02:19:17,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 02:19:17,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 02:19:17,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-23 02:19:17,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-23 02:19:17,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-23 02:19:17,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-23 02:19:17,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-23 02:19:17,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-23 02:19:17,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-23 02:19:17,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-23 02:19:17,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-23 02:19:17,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-23 02:19:17,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-23 02:19:17,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-23 02:19:17,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-23 02:19:17,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-23 02:19:17,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 02:19:17,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 02:19:17,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 02:19:17,436 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-23 02:19:17,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 02:19:17,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 02:19:17,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 02:19:17,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 02:19:17,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 02:19:17,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 02:19:17,481 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 02:19:17,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 02:19:17,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 02:19:17,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 02:19:17,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 02:19:17,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 02:19:17,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 02:19:17,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 02:19:17,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 02:19:17,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 02:19:17,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 02:19:17,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 02:19:17,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 02:19:17,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 02:19:17,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 02:19:17,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 02:19:17,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 02:19:17,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 02:19:17,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 02:19:17,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 02:19:17,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 02:19:17,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 02:19:17,486 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 02:19:17,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 02:19:17,486 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 02:19:17,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 02:19:17,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 02:19:17,487 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 02:19:17,487 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 02:19:17,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 02:19:18,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 02:19:18,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 02:19:18,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 02:19:18,091 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 02:19:18,092 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 02:19:18,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl [2021-08-23 02:19:18,093 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl' [2021-08-23 02:19:18,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 02:19:18,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 02:19:18,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 02:19:18,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 02:19:18,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 02:19:18,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 02:19:18,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 02:19:18,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 02:19:18,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 02:19:18,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 02:19:18,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 02:19:18,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 02:19:18,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 02:19:18,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/1) ... [2021-08-23 02:19:18,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 02:19:18,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:18,218 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) [2021-08-23 02:19:18,245 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 [2021-08-23 02:19:18,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 02:19:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 02:19:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 02:19:18,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 02:19:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 02:19:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 02:19:18,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 02:19:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 02:19:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 02:19:18,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 02:19:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 02:19:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 02:19:18,273 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 02:19:18,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 02:19:18,459 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 02:19:18,461 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:19:18 BoogieIcfgContainer [2021-08-23 02:19:18,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 02:19:18,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 02:19:18,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 02:19:18,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 02:19:18,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:19:18" (1/2) ... [2021-08-23 02:19:18,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484032af and model type vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:19:18, skipping insertion in model container [2021-08-23 02:19:18,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:19:18" (2/2) ... [2021-08-23 02:19:18,468 INFO L111 eAbstractionObserver]: Analyzing ICFG vector-add.wvr.bpl [2021-08-23 02:19:18,473 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 02:19:18,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 02:19:18,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 02:19:18,473 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 02:19:18,548 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-23 02:19:18,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 02:19:18,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:18,630 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) [2021-08-23 02:19:18,636 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 [2021-08-23 02:19:18,671 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 02:19:18,676 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-23 02:19:18,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 02:19:18,925 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:19:18,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:19:18,937 INFO L82 PathProgramCache]: Analyzing trace with hash -780394456, now seen corresponding path program 1 times [2021-08-23 02:19:18,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:19:18,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108006619] [2021-08-23 02:19:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:19:18,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:19:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:19:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 02:19:19,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:19:19,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108006619] [2021-08-23 02:19:19,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108006619] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:19,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586086002] [2021-08-23 02:19:19,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:19:19,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:19:19,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:19,296 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) [2021-08-23 02:19:19,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 02:19:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:19:19,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-23 02:19:19,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:19:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 02:19:19,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586086002] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:19,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:19:19,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-08-23 02:19:19,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680035898] [2021-08-23 02:19:19,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 02:19:19,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:19:19,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 02:19:19,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-08-23 02:19:19,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:19,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:19:19,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-08-23 02:19:19,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:19:20,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-23 02:19:20,329 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 [2021-08-23 02:19:20,330 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:19:20,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:19:20,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1718131108, now seen corresponding path program 2 times [2021-08-23 02:19:20,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:19:20,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397996597] [2021-08-23 02:19:20,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:19:20,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:19:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:19:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 02:19:20,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:19:20,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397996597] [2021-08-23 02:19:20,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397996597] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:20,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083026379] [2021-08-23 02:19:20,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 02:19:20,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:19:20,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:20,565 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) [2021-08-23 02:19:20,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 02:19:20,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 02:19:20,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:19:20,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-23 02:19:20,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:19:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 02:19:21,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083026379] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:21,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:19:21,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-08-23 02:19:21,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718449399] [2021-08-23 02:19:21,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-23 02:19:21,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:19:21,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-23 02:19:21,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-23 02:19:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:21,384 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:19:21,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 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) [2021-08-23 02:19:21,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:19:21,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:22,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:19:22,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:22,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 02:19:22,301 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 [2021-08-23 02:19:22,302 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:19:22,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:19:22,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1186511854, now seen corresponding path program 3 times [2021-08-23 02:19:22,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:19:22,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953589490] [2021-08-23 02:19:22,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:19:22,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:19:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:19:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 02:19:22,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:19:22,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953589490] [2021-08-23 02:19:22,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953589490] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:22,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672151159] [2021-08-23 02:19:22,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 02:19:22,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:19:22,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:22,559 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) [2021-08-23 02:19:22,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 02:19:22,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-23 02:19:22,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:19:22,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-23 02:19:22,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:19:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 02:19:23,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672151159] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:23,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:19:23,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-08-23 02:19:23,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266937964] [2021-08-23 02:19:23,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-23 02:19:23,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:19:23,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-23 02:19:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-08-23 02:19:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:23,176 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:19:23,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 19 states have internal predecessors, (60), 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) [2021-08-23 02:19:23,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:19:23,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:23,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:23,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:19:23,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 02:19:23,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 02:19:24,029 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 [2021-08-23 02:19:24,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:19:24,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:19:24,031 INFO L82 PathProgramCache]: Analyzing trace with hash 593113880, now seen corresponding path program 4 times [2021-08-23 02:19:24,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:19:24,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117671387] [2021-08-23 02:19:24,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:19:24,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:19:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:19:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 02:19:24,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:19:24,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117671387] [2021-08-23 02:19:24,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117671387] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:24,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871616047] [2021-08-23 02:19:24,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 02:19:24,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:19:24,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:24,424 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) [2021-08-23 02:19:24,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 02:19:24,576 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 02:19:24,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:19:24,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-23 02:19:24,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:19:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 02:19:24,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871616047] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:24,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:19:24,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-08-23 02:19:24,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469658091] [2021-08-23 02:19:24,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-23 02:19:24,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:19:24,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-23 02:19:24,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-08-23 02:19:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:24,994 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:19:24,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 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) [2021-08-23 02:19:24,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:19:24,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:24,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-23 02:19:24,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:19:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-23 02:19:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-23 02:19:25,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 02:19:25,672 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 [2021-08-23 02:19:25,673 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:19:25,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:19:25,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1858690508, now seen corresponding path program 5 times [2021-08-23 02:19:25,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:19:25,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179335539] [2021-08-23 02:19:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:19:25,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:19:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:19:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 02:19:26,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:19:26,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179335539] [2021-08-23 02:19:26,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179335539] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:26,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239960268] [2021-08-23 02:19:26,002 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 02:19:26,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:19:26,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:26,014 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) [2021-08-23 02:19:26,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 02:19:26,213 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-23 02:19:26,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:19:26,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-23 02:19:26,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:19:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-23 02:19:26,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239960268] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:26,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:19:26,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-08-23 02:19:26,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125711303] [2021-08-23 02:19:26,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-23 02:19:26,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:19:26,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-23 02:19:26,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-08-23 02:19:26,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:26,647 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:19:26,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 02:19:26,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:19:26,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:26,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-23 02:19:26,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-23 02:19:26,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:19:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-23 02:19:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-23 02:19:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-23 02:19:27,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-23 02:19:28,152 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 [2021-08-23 02:19:28,153 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:19:28,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:19:28,154 INFO L82 PathProgramCache]: Analyzing trace with hash 962166410, now seen corresponding path program 6 times [2021-08-23 02:19:28,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:19:28,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004281124] [2021-08-23 02:19:28,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:19:28,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:19:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:19:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 171 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 02:19:48,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:19:48,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004281124] [2021-08-23 02:19:48,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004281124] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:48,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697305297] [2021-08-23 02:19:48,048 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 02:19:48,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:19:48,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:19:48,065 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) [2021-08-23 02:19:48,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 02:19:48,318 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-08-23 02:19:48,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:19:48,320 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 77 conjunts are in the unsatisfiable core [2021-08-23 02:19:48,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:19:48,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 02:19:48,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-08-23 02:19:48,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:48,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-08-23 02:19:48,876 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-08-23 02:19:48,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2021-08-23 02:19:49,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,029 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-08-23 02:19:49,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 58 [2021-08-23 02:19:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 58 [2021-08-23 02:19:49,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,403 INFO L354 Elim1Store]: treesize reduction 88, result has 14.6 percent of original size [2021-08-23 02:19:49,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 72 [2021-08-23 02:19:49,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,641 INFO L354 Elim1Store]: treesize reduction 106, result has 10.9 percent of original size [2021-08-23 02:19:49,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 92 [2021-08-23 02:19:49,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:49,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 72 [2021-08-23 02:19:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,111 INFO L354 Elim1Store]: treesize reduction 168, result has 11.6 percent of original size [2021-08-23 02:19:50,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 112 [2021-08-23 02:19:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:50,406 INFO L354 Elim1Store]: treesize reduction 156, result has 11.4 percent of original size [2021-08-23 02:19:50,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 91 treesize of output 108 [2021-08-23 02:19:50,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2021-08-23 02:19:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,159 INFO L354 Elim1Store]: treesize reduction 224, result has 8.6 percent of original size [2021-08-23 02:19:51,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 108 treesize of output 128 [2021-08-23 02:19:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:51,602 INFO L354 Elim1Store]: treesize reduction 250, result has 9.7 percent of original size [2021-08-23 02:19:51,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 119 treesize of output 142 [2021-08-23 02:19:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 88 [2021-08-23 02:19:52,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:52,835 INFO L354 Elim1Store]: treesize reduction 288, result has 8.6 percent of original size [2021-08-23 02:19:52,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 130 treesize of output 156 [2021-08-23 02:19:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 108 [2021-08-23 02:19:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 02:19:53,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 170 [2021-08-23 02:19:54,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2021-08-23 02:19:55,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 124 [2021-08-23 02:19:56,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 138 [2021-08-23 02:19:57,023 INFO L354 Elim1Store]: treesize reduction 472, result has 2.7 percent of original size [2021-08-23 02:19:57,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 50 case distinctions, treesize of input 278 treesize of output 240 [2021-08-23 02:19:57,095 INFO L354 Elim1Store]: treesize reduction 206, result has 5.9 percent of original size [2021-08-23 02:19:57,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 146 treesize of output 136 [2021-08-23 02:19:57,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 143 [2021-08-23 02:19:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 02:19:57,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697305297] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:19:57,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:19:57,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31] total 58 [2021-08-23 02:19:57,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173016606] [2021-08-23 02:19:57,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-08-23 02:19:57,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:19:57,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-08-23 02:19:57,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=3074, Unknown=1, NotChecked=0, Total=3306 [2021-08-23 02:19:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:19:57,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:19:57,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.103448275862069) internal successors, (122), 58 states have internal predecessors, (122), 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) [2021-08-23 02:19:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:19:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:19:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-23 02:19:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-23 02:19:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-23 02:19:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:21:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-23 02:21:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-23 02:21:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-23 02:21:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-08-23 02:21:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-23 02:21:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-23 02:21:28,755 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 02:21:28,755 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 02:21:28,755 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 02:21:28,756 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 02:21:28,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-23 02:21:28,968 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 [2021-08-23 02:21:28,976 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 02:21:28,977 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 02:21:28,978 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:21:28 BasicIcfg [2021-08-23 02:21:28,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 02:21:28,979 INFO L168 Benchmark]: Toolchain (without parser) took 130851.60 ms. Allocated memory was 169.9 MB in the beginning and 936.4 MB in the end (delta: 766.5 MB). Free memory was 149.2 MB in the beginning and 456.1 MB in the end (delta: -306.9 MB). Peak memory consumption was 459.7 MB. Max. memory is 8.0 GB. [2021-08-23 02:21:28,979 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 169.9 MB. Free memory is still 150.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 02:21:28,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.88 ms. Allocated memory is still 169.9 MB. Free memory was 149.2 MB in the beginning and 147.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 02:21:28,980 INFO L168 Benchmark]: Boogie Preprocessor took 25.40 ms. Allocated memory is still 169.9 MB. Free memory was 147.7 MB in the beginning and 146.7 MB in the end (delta: 940.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 02:21:28,980 INFO L168 Benchmark]: RCFGBuilder took 273.27 ms. Allocated memory is still 169.9 MB. Free memory was 146.6 MB in the beginning and 133.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-23 02:21:28,980 INFO L168 Benchmark]: TraceAbstraction took 130515.66 ms. Allocated memory was 169.9 MB in the beginning and 936.4 MB in the end (delta: 766.5 MB). Free memory was 132.9 MB in the beginning and 456.1 MB in the end (delta: -323.2 MB). Peak memory consumption was 444.0 MB. Max. memory is 8.0 GB. [2021-08-23 02:21:28,982 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 0.12 ms. Allocated memory is still 169.9 MB. Free memory is still 150.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.88 ms. Allocated memory is still 169.9 MB. Free memory was 149.2 MB in the beginning and 147.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.40 ms. Allocated memory is still 169.9 MB. Free memory was 147.7 MB in the beginning and 146.7 MB in the end (delta: 940.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 273.27 ms. Allocated memory is still 169.9 MB. Free memory was 146.6 MB in the beginning and 133.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 130515.66 ms. Allocated memory was 169.9 MB in the beginning and 936.4 MB in the end (delta: 766.5 MB). Free memory was 132.9 MB in the beginning and 456.1 MB in the end (delta: -323.2 MB). Peak memory consumption was 444.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3134, positive: 2555, positive conditional: 2218, positive unconditional: 337, negative: 579, negative conditional: 579, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2555, positive: 2555, positive conditional: 2218, positive unconditional: 337, 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: 2555, positive: 2555, positive conditional: 2218, positive unconditional: 337, 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: 2555, positive: 2555, positive conditional: 2123, positive unconditional: 432, 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: 2555, positive: 2555, positive conditional: 2034, positive unconditional: 521, 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: 2555, positive: 2555, positive conditional: 2034, positive unconditional: 521, 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: 305, positive: 305, positive conditional: 16, positive unconditional: 289, 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: 305, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2555, positive: 2250, positive conditional: 2018, positive unconditional: 232, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 305, unknown conditional: 16, unknown unconditional: 289] , Statistics on independence cache: Total cache size (in pairs): 305, Positive cache size: 305, Positive conditional cache size: 16, Positive unconditional cache size: 289, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 89, Maximal queried relation: 0, Independence queries for same thread: 579 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 162, Number of persistent set computation: 95, Number of trivial persistent sets: 24, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 337, positive: 337, positive conditional: 0, positive unconditional: 337, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3134, positive: 2555, positive conditional: 2218, positive unconditional: 337, negative: 579, negative conditional: 579, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2555, positive: 2555, positive conditional: 2218, positive unconditional: 337, 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: 2555, positive: 2555, positive conditional: 2218, positive unconditional: 337, 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: 2555, positive: 2555, positive conditional: 2123, positive unconditional: 432, 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: 2555, positive: 2555, positive conditional: 2034, positive unconditional: 521, 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: 2555, positive: 2555, positive conditional: 2034, positive unconditional: 521, 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: 305, positive: 305, positive conditional: 16, positive unconditional: 289, 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: 305, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2555, positive: 2250, positive conditional: 2018, positive unconditional: 232, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 305, unknown conditional: 16, unknown unconditional: 289] , Statistics on independence cache: Total cache size (in pairs): 305, Positive cache size: 305, Positive conditional cache size: 16, Positive unconditional cache size: 289, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 89, Maximal queried relation: 0, Independence queries for same thread: 579 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 67]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 43 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 130349.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.9ms, PartialOrderReductionTime: 94626.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 373, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 74.7ms SsaConstructionTime, 641.7ms SatisfiabilityAnalysisTime, 32612.2ms InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 516 ConstructedInterpolants, 13 QuantifiedInterpolants, 16568 SizeOfPredicates, 24 NumberOfNonLiveVariables, 558 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 169/858 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-23 02:21:29,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-23 02:21:29,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...