/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/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 01:42:29,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 01:42:29,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 01:42:29,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 01:42:29,276 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 01:42:29,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 01:42:29,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 01:42:29,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 01:42:29,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 01:42:29,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 01:42:29,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 01:42:29,317 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 01:42:29,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 01:42:29,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 01:42:29,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 01:42:29,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 01:42:29,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 01:42:29,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 01:42:29,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 01:42:29,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 01:42:29,319 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 01:42:29,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 01:42:29,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 01:42:29,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 01:42:29,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 01:42:29,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 01:42:29,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 01:42:29,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 01:42:29,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:42:29,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 01:42:29,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 01:42:29,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 01:42:29,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 01:42:29,321 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 01:42:29,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 01:42:29,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 01:42:29,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 01:42:29,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 01:42:29,322 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 01:42:29,322 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 01:42:29,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 01:42:29,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 01:42:29,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 01:42:29,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 01:42:29,642 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 01:42:29,643 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 01:42:29,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-08-23 01:42:29,644 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-08-23 01:42:29,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 01:42:29,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 01:42:29,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 01:42:29,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 01:42:29,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 01:42:29,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 01:42:29,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 01:42:29,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 01:42:29,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 01:42:29,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 01:42:29,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 01:42:29,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 01:42:29,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 01:42:29,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/1) ... [2021-08-23 01:42:29,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:42:29,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:29,758 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 01:42:29,766 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 01:42:29,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 01:42:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 01:42:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 01:42:29,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 01:42:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 01:42:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 01:42:29,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 01:42:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 01:42:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 01:42:29,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 01:42:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 01:42:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 01:42:29,791 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 01:42:30,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 01:42:30,067 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 01:42:30,069 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:42:30 BoogieIcfgContainer [2021-08-23 01:42:30,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 01:42:30,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 01:42:30,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 01:42:30,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 01:42:30,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:42:29" (1/2) ... [2021-08-23 01:42:30,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be591b6 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:42:30, skipping insertion in model container [2021-08-23 01:42:30,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:42:30" (2/2) ... [2021-08-23 01:42:30,076 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-08-23 01:42:30,086 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 01:42:30,086 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 01:42:30,086 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 01:42:30,087 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 01:42:30,147 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-23 01:42:30,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:42:30,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:30,196 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 01:42:30,198 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 01:42:30,232 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 01:42:30,240 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 01:42:30,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 01:42:30,456 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:42:30,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:30,462 INFO L82 PathProgramCache]: Analyzing trace with hash -722442577, now seen corresponding path program 1 times [2021-08-23 01:42:30,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:30,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642971203] [2021-08-23 01:42:30,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:30,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 01:42:30,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:30,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642971203] [2021-08-23 01:42:30,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642971203] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:30,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569530590] [2021-08-23 01:42:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:30,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:30,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:30,728 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 01:42:30,758 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 01:42:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:30,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-23 01:42:30,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-23 01:42:31,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569530590] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:31,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:31,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2021-08-23 01:42:31,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362273523] [2021-08-23 01:42:31,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-23 01:42:31,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:31,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-23 01:42:31,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-08-23 01:42:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:31,084 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:31,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 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 01:42:31,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:32,054 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 01:42:32,249 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 01:42:32,249 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:42:32,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:32,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1839660000, now seen corresponding path program 1 times [2021-08-23 01:42:32,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:32,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157936856] [2021-08-23 01:42:32,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:32,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-08-23 01:42:32,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:32,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157936856] [2021-08-23 01:42:32,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157936856] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:42:32,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:42:32,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:42:32,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853469239] [2021-08-23 01:42:32,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:42:32,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:32,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:42:32,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:42:32,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:32,315 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:32,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 01:42:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:32,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:32,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:32,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 01:42:32,345 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:42:32,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:32,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1607669983, now seen corresponding path program 2 times [2021-08-23 01:42:32,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:32,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475816510] [2021-08-23 01:42:32,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:32,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:42:33,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:33,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475816510] [2021-08-23 01:42:33,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475816510] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:33,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458525934] [2021-08-23 01:42:33,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:42:33,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:33,091 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 01:42:33,123 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 01:42:33,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:42:33,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:42:33,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-23 01:42:33,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:33,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 10 treesize of output 9 [2021-08-23 01:42:33,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:33,832 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 24 treesize of output 26 [2021-08-23 01:42:34,340 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-08-23 01:42:34,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 71 treesize of output 55 [2021-08-23 01:42:34,355 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 50 treesize of output 45 [2021-08-23 01:42:34,649 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-23 01:42:34,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 64 [2021-08-23 01:42:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:42:34,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458525934] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:34,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:34,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-08-23 01:42:34,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960391632] [2021-08-23 01:42:34,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-23 01:42:34,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:34,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-23 01:42:34,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2021-08-23 01:42:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:34,866 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:34,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 23 states have internal predecessors, (64), 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 01:42:34,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:34,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:34,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:37,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-23 01:42:37,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:37,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:37,222 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 01:42:37,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:37,405 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:42:37,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:37,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1077624649, now seen corresponding path program 3 times [2021-08-23 01:42:37,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:37,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078340674] [2021-08-23 01:42:37,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:37,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-08-23 01:42:37,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:37,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078340674] [2021-08-23 01:42:37,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078340674] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:37,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784951666] [2021-08-23 01:42:37,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:42:37,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:37,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:37,489 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 01:42:37,493 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 01:42:37,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-23 01:42:37,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:42:37,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-23 01:42:37,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-08-23 01:42:37,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784951666] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:37,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:37,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-23 01:42:37,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005509142] [2021-08-23 01:42:37,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-23 01:42:37,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:37,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-23 01:42:37,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-23 01:42:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:37,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:37,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 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 01:42:37,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-23 01:42:37,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:37,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:37,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:38,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:42:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:42:38,257 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 01:42:38,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:38,442 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:42:38,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:38,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1534433568, now seen corresponding path program 2 times [2021-08-23 01:42:38,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:38,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443932671] [2021-08-23 01:42:38,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:38,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 89 proven. 49 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-08-23 01:42:38,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:38,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443932671] [2021-08-23 01:42:38,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443932671] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:38,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106238970] [2021-08-23 01:42:38,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:42:38,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:38,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:38,572 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 01:42:38,602 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 01:42:38,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:42:38,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:42:38,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-23 01:42:38,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 89 proven. 48 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-08-23 01:42:38,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106238970] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:39,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:39,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-23 01:42:39,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843971752] [2021-08-23 01:42:39,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-23 01:42:39,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:39,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-23 01:42:39,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-23 01:42:39,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:39,005 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:39,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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 01:42:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:42:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:42:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:42:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:42:39,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:42:39,227 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 01:42:39,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:39,417 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:42:39,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:39,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1255626779, now seen corresponding path program 3 times [2021-08-23 01:42:39,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:39,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959095346] [2021-08-23 01:42:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:39,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 408 proven. 12 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-08-23 01:42:39,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:39,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959095346] [2021-08-23 01:42:39,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959095346] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:39,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321681748] [2021-08-23 01:42:39,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:42:39,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:39,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:39,508 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 01:42:39,533 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 01:42:39,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-23 01:42:39,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:42:39,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-23 01:42:39,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 249 proven. 14 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-08-23 01:42:40,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321681748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:40,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:40,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-08-23 01:42:40,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534890270] [2021-08-23 01:42:40,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 01:42:40,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:40,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 01:42:40,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-23 01:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:40,043 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:40,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 01:42:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:42:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:42:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:42:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:42:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:42:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:42:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:42:40,382 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 01:42:40,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:40,573 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:42:40,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:40,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1197467423, now seen corresponding path program 4 times [2021-08-23 01:42:40,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:40,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382074155] [2021-08-23 01:42:40,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:40,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 16 proven. 442 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-23 01:42:43,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:43,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382074155] [2021-08-23 01:42:43,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382074155] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:43,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249740210] [2021-08-23 01:42:43,237 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:42:43,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:43,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:43,238 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 01:42:43,282 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 01:42:43,581 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:42:43,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:42:43,584 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 129 conjunts are in the unsatisfiable core [2021-08-23 01:42:43,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:43,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 14 treesize of output 13 [2021-08-23 01:42:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:44,149 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 28 treesize of output 30 [2021-08-23 01:42:44,680 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 34 treesize of output 37 [2021-08-23 01:42:45,212 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 48 treesize of output 54 [2021-08-23 01:42:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:42:46,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:42:46,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 74 [2021-08-23 01:42:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:46,761 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 84 treesize of output 90 [2021-08-23 01:42:47,534 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 84 treesize of output 97 [2021-08-23 01:42:49,079 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 99 treesize of output 111 [2021-08-23 01:42:50,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,055 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 103 treesize of output 126 [2021-08-23 01:42:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:50,937 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 128 treesize of output 152 [2021-08-23 01:42:51,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:42:51,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:42:51,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 289 [2021-08-23 01:42:52,579 INFO L354 Elim1Store]: treesize reduction 1570, result has 1.9 percent of original size [2021-08-23 01:42:52,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 55 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 155 case distinctions, treesize of input 261 treesize of output 171 [2021-08-23 01:42:53,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 47 [2021-08-23 01:42:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 466 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:42:53,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249740210] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:53,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:53,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 72 [2021-08-23 01:42:53,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245529393] [2021-08-23 01:42:53,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2021-08-23 01:42:53,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:53,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-08-23 01:42:53,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=4918, Unknown=0, NotChecked=0, Total=5256 [2021-08-23 01:42:53,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:53,165 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:53,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 2.4383561643835616) internal successors, (178), 72 states have internal predecessors, (178), 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 01:42:53,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:42:53,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:53,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:42:53,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:42:53,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:42:53,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:42:53,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:43:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:43:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:43:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:43:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:43:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:43:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:43:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-08-23 01:43:05,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-23 01:43:05,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:43:05,648 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:43:05,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:43:05,648 INFO L82 PathProgramCache]: Analyzing trace with hash -407279550, now seen corresponding path program 5 times [2021-08-23 01:43:05,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:43:05,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743703656] [2021-08-23 01:43:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:43:05,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:43:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:43:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 489 proven. 277 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-23 01:43:05,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:43:05,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743703656] [2021-08-23 01:43:05,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743703656] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:43:05,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819371806] [2021-08-23 01:43:05,834 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:43:05,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:43:05,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:43:05,837 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) [2021-08-23 01:43:05,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 01:43:06,581 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-08-23 01:43:06,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:43:06,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 35 conjunts are in the unsatisfiable core [2021-08-23 01:43:06,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:43:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 251 proven. 559 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-23 01:43:07,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819371806] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:43:07,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:43:07,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 17 [2021-08-23 01:43:07,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919873209] [2021-08-23 01:43:07,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-23 01:43:07,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:43:07,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-23 01:43:07,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-08-23 01:43:07,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:43:07,061 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:43:07,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 17 states have internal predecessors, (90), 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 01:43:07,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:43:07,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:43:07,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:43:07,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:43:07,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:43:07,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:43:07,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-08-23 01:43:07,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-08-23 01:43:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:43:08,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-23 01:43:08,219 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,SelfDestructingSolverStorable7 [2021-08-23 01:43:08,219 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:43:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:43:08,220 INFO L82 PathProgramCache]: Analyzing trace with hash -186559737, now seen corresponding path program 6 times [2021-08-23 01:43:08,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:43:08,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006925626] [2021-08-23 01:43:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:43:08,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:43:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:43:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 8 proven. 1222 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-08-23 01:43:11,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:43:11,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006925626] [2021-08-23 01:43:11,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006925626] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:43:11,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003066180] [2021-08-23 01:43:11,399 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:43:11,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:43:11,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:43:11,404 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:43:11,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-23 01:43:12,186 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-08-23 01:43:12,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:43:12,191 WARN L261 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 226 conjunts are in the unsatisfiable core [2021-08-23 01:43:12,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:43:12,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 14 treesize of output 13 [2021-08-23 01:43:12,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:12,725 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 28 treesize of output 30 [2021-08-23 01:43:13,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:43:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2021-08-23 01:43:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:43:13,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:13,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 70 [2021-08-23 01:43:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:43:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:14,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 91 [2021-08-23 01:43:16,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:43:16,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:43:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 109 [2021-08-23 01:43:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:16,818 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 120 treesize of output 133 [2021-08-23 01:43:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:43:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:17,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 150 [2021-08-23 01:43:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:20,271 INFO L354 Elim1Store]: treesize reduction 694, result has 8.6 percent of original size [2021-08-23 01:43:20,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 49 case distinctions, treesize of input 287 treesize of output 312 [2021-08-23 01:43:24,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:24,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:24,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:24,305 INFO L354 Elim1Store]: treesize reduction 764, result has 7.6 percent of original size [2021-08-23 01:43:24,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 52 case distinctions, treesize of input 309 treesize of output 334 [2021-08-23 01:43:32,495 INFO L354 Elim1Store]: treesize reduction 864, result has 7.3 percent of original size [2021-08-23 01:43:32,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 63 case distinctions, treesize of input 333 treesize of output 359 [2021-08-23 01:43:46,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:46,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:46,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:46,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:43:47,797 INFO L354 Elim1Store]: treesize reduction 1166, result has 7.6 percent of original size [2021-08-23 01:43:47,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 6 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 85 case distinctions, treesize of input 376 treesize of output 418 [2021-08-23 01:44:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:05,913 INFO L354 Elim1Store]: treesize reduction 1220, result has 6.3 percent of original size [2021-08-23 01:44:05,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 12 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 93 case distinctions, treesize of input 408 treesize of output 453 [2021-08-23 01:44:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:44:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:44:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:44:50,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:44:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:44:50,623 INFO L354 Elim1Store]: treesize reduction 908, result has 5.0 percent of original size [2021-08-23 01:44:50,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 21 disjoint index pairs (out of 136 index pairs), introduced 13 new quantified variables, introduced 98 case distinctions, treesize of input 438 treesize of output 468 [2021-08-23 01:44:57,823 INFO L354 Elim1Store]: treesize reduction 1460, result has 6.3 percent of original size [2021-08-23 01:44:57,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 3 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 117 case distinctions, treesize of input 464 treesize of output 504 [2021-08-23 01:45:37,699 INFO L354 Elim1Store]: treesize reduction 1870, result has 5.3 percent of original size [2021-08-23 01:45:37,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 6 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 147 case distinctions, treesize of input 480 treesize of output 522 [2021-08-23 01:46:30,178 INFO L354 Elim1Store]: treesize reduction 1924, result has 5.6 percent of original size [2021-08-23 01:46:30,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 3 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 150 case distinctions, treesize of input 498 treesize of output 542 [2021-08-23 01:48:51,487 WARN L207 SmtUtils]: Spent 25.27 s on a formula simplification. DAG size of input: 2461 DAG size of output: 572 [2021-08-23 01:48:51,490 INFO L354 Elim1Store]: treesize reduction 5597, result has 17.7 percent of original size [2021-08-23 01:48:51,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 35 select indices, 35 select index equivalence classes, 0 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 595 case distinctions, treesize of input 522 treesize of output 1471 [2021-08-23 01:48:54,347 INFO L354 Elim1Store]: treesize reduction 2162, result has 5.7 percent of original size [2021-08-23 01:48:54,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 6 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 184 case distinctions, treesize of input 2052 treesize of output 1640 Received shutdown request... [2021-08-23 01:56:41,570 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-23 01:56:41,578 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 01:56:41,585 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 [2021-08-23 01:56:41,586 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:56:41,586 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 [2021-08-23 01:56:41,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-23 01:56:41,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:56:41,797 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 13ms.. [2021-08-23 01:56:41,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 01:56:41,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 01:56:41,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 01:56:41,805 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 01:56:41,805 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 01:56:41,807 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 01:56:41 BasicIcfg [2021-08-23 01:56:41,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 01:56:41,807 INFO L168 Benchmark]: Toolchain (without parser) took 852134.54 ms. Allocated memory was 189.8 MB in the beginning and 685.8 MB in the end (delta: 496.0 MB). Free memory was 169.1 MB in the beginning and 400.8 MB in the end (delta: -231.7 MB). Peak memory consumption was 460.4 MB. Max. memory is 8.0 GB. [2021-08-23 01:56:41,808 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 189.8 MB. Free memory was 170.3 MB in the beginning and 170.2 MB in the end (delta: 78.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 01:56:41,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.05 ms. Allocated memory is still 189.8 MB. Free memory was 169.0 MB in the beginning and 167.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 01:56:41,808 INFO L168 Benchmark]: Boogie Preprocessor took 23.53 ms. Allocated memory is still 189.8 MB. Free memory was 167.6 MB in the beginning and 166.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 01:56:41,808 INFO L168 Benchmark]: RCFGBuilder took 344.38 ms. Allocated memory is still 189.8 MB. Free memory was 166.5 MB in the beginning and 153.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-23 01:56:41,809 INFO L168 Benchmark]: TraceAbstraction took 851735.65 ms. Allocated memory was 189.8 MB in the beginning and 685.8 MB in the end (delta: 496.0 MB). Free memory was 152.5 MB in the beginning and 400.8 MB in the end (delta: -248.3 MB). Peak memory consumption was 444.7 MB. Max. memory is 8.0 GB. [2021-08-23 01:56:41,810 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 189.8 MB. Free memory was 170.3 MB in the beginning and 170.2 MB in the end (delta: 78.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.05 ms. Allocated memory is still 189.8 MB. Free memory was 169.0 MB in the beginning and 167.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.53 ms. Allocated memory is still 189.8 MB. Free memory was 167.6 MB in the beginning and 166.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 344.38 ms. Allocated memory is still 189.8 MB. Free memory was 166.5 MB in the beginning and 153.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 851735.65 ms. Allocated memory was 189.8 MB in the beginning and 685.8 MB in the end (delta: 496.0 MB). Free memory was 152.5 MB in the beginning and 400.8 MB in the end (delta: -248.3 MB). Peak memory consumption was 444.7 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: 6074, positive: 4863, positive conditional: 4464, positive unconditional: 399, negative: 1211, negative conditional: 1207, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5020, positive: 4863, positive conditional: 4464, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5020, positive: 4863, positive conditional: 4464, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5767, positive: 4863, positive conditional: 4294, positive unconditional: 569, negative: 904, negative conditional: 747, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5767, positive: 4863, positive conditional: 4223, positive unconditional: 640, negative: 904, negative conditional: 747, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5767, positive: 4863, positive conditional: 4223, positive unconditional: 640, negative: 904, negative conditional: 747, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 516, positive: 399, positive conditional: 66, positive unconditional: 333, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 516, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 173, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 393, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 272, negative conditional: 193, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5767, positive: 4464, positive conditional: 4157, positive unconditional: 307, negative: 787, negative conditional: 636, negative unconditional: 151, unknown: 516, unknown conditional: 177, unknown unconditional: 339] , Statistics on independence cache: Total cache size (in pairs): 516, Positive cache size: 399, Positive conditional cache size: 66, Positive unconditional cache size: 333, Negative cache size: 117, Negative conditional cache size: 111, Negative unconditional cache size: 6, Eliminated conditions: 71, Maximal queried relation: 8, Independence queries for same thread: 1054 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 123, Number of persistent set computation: 74, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403, positive: 399, positive conditional: 0, positive unconditional: 399, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6074, positive: 4863, positive conditional: 4464, positive unconditional: 399, negative: 1211, negative conditional: 1207, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5020, positive: 4863, positive conditional: 4464, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5020, positive: 4863, positive conditional: 4464, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5767, positive: 4863, positive conditional: 4294, positive unconditional: 569, negative: 904, negative conditional: 747, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5767, positive: 4863, positive conditional: 4223, positive unconditional: 640, negative: 904, negative conditional: 747, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5767, positive: 4863, positive conditional: 4223, positive unconditional: 640, negative: 904, negative conditional: 747, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 516, positive: 399, positive conditional: 66, positive unconditional: 333, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 516, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 173, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 393, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 272, negative conditional: 193, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5767, positive: 4464, positive conditional: 4157, positive unconditional: 307, negative: 787, negative conditional: 636, negative unconditional: 151, unknown: 516, unknown conditional: 177, unknown unconditional: 339] , Statistics on independence cache: Total cache size (in pairs): 516, Positive cache size: 399, Positive conditional cache size: 66, Positive unconditional cache size: 333, Negative cache size: 117, Negative conditional cache size: 111, Negative unconditional cache size: 6, Eliminated conditions: 71, Maximal queried relation: 8, Independence queries for same thread: 1054 - 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 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 13ms.. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 13ms.. - TimeoutResultAtElement [Line: 62]: 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 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 13ms.. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 13ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 851611.9ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.2ms, PartialOrderReductionTime: 17500.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 261, 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: 77.2ms SsaConstructionTime, 481.1ms SatisfiabilityAnalysisTime, 16608.1ms InterpolantComputationTime, 1164 NumberOfCodeBlocks, 1055 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1149 ConstructedInterpolants, 18 QuantifiedInterpolants, 22948 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1139 ConjunctsInSsa, 237 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 3262/5235 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