/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 03:40:33,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 03:40:33,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 03:40:34,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 03:40:34,037 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-08-07 03:40:34,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 03:40:34,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 03:40:34,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 03:40:34,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 03:40:34,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 03:40:34,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 03:40:34,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 03:40:34,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 03:40:34,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 03:40:34,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 03:40:34,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 03:40:34,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 03:40:34,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 03:40:34,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 03:40:34,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 03:40:34,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 03:40:34,056 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 03:40:34,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 03:40:34,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 03:40:34,057 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 03:40:34,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 03:40:34,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 03:40:34,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 03:40:34,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 03:40:34,432 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 03:40:34,434 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 03:40:34,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl [2021-08-07 03:40:34,435 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl' [2021-08-07 03:40:34,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 03:40:34,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 03:40:34,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 03:40:34,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 03:40:34,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 03:40:34,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 03:40:34,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 03:40:34,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 03:40:34,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 03:40:34,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 03:40:34,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 03:40:34,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 03:40:34,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 03:40:34,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/1) ... [2021-08-07 03:40:34,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 03:40:34,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:34,611 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) [2021-08-07 03:40:34,670 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 [2021-08-07 03:40:34,683 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 03:40:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 03:40:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 03:40:34,683 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 03:40:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 03:40:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 03:40:34,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 03:40:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 03:40:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 03:40:34,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 03:40:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 03:40:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 03:40:34,685 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-07 03:40:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-07 03:40:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-07 03:40:34,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-07 03:40:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-07 03:40:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-07 03:40:34,688 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 03:40:34,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 03:40:34,847 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 03:40:34,849 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 03:40:34 BoogieIcfgContainer [2021-08-07 03:40:34,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 03:40:34,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 03:40:34,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 03:40:34,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 03:40:34,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:40:34" (1/2) ... [2021-08-07 03:40:34,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b10945 and model type min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 03:40:34, skipping insertion in model container [2021-08-07 03:40:34,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 03:40:34" (2/2) ... [2021-08-07 03:40:34,854 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc-dec.wvr.bpl [2021-08-07 03:40:34,857 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 03:40:34,857 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 03:40:34,857 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 03:40:34,857 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 03:40:34,895 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-08-07 03:40:34,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 03:40:34,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:34,925 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) [2021-08-07 03:40:34,926 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 [2021-08-07 03:40:34,944 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 03:40:34,949 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 [2021-08-07 03:40:34,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-07 03:40:35,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:40:35,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:40:35,147 INFO L82 PathProgramCache]: Analyzing trace with hash 691798015, now seen corresponding path program 1 times [2021-08-07 03:40:35,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:40:35,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364238856] [2021-08-07 03:40:35,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:40:35,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:40:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:40:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 11 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 03:40:35,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:40:35,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364238856] [2021-08-07 03:40:35,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364238856] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:35,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414258272] [2021-08-07 03:40:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:40:35,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:35,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:35,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 03:40:35,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 03:40:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:40:35,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 03:40:35,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:40:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 29 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-07 03:40:36,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414258272] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:36,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:40:36,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 19 [2021-08-07 03:40:36,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70505387] [2021-08-07 03:40:36,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-07 03:40:36,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:40:36,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-07 03:40:36,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-08-07 03:40:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:36,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:40:36,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.6) internal successors, (92), 19 states have internal predecessors, (92), 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) [2021-08-07 03:40:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:36,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 03:40:36,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 03:40:36,606 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 [2021-08-07 03:40:36,606 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:40:36,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:40:36,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1010623863, now seen corresponding path program 2 times [2021-08-07 03:40:36,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:40:36,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152815088] [2021-08-07 03:40:36,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:40:36,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:40:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:40:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 46 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-07 03:40:36,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:40:36,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152815088] [2021-08-07 03:40:36,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152815088] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:36,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056681624] [2021-08-07 03:40:36,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 03:40:36,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:36,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:36,794 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) [2021-08-07 03:40:36,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 03:40:36,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 03:40:36,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 03:40:36,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 03:40:36,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:40:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 70 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-07 03:40:37,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056681624] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:37,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:40:37,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 19 [2021-08-07 03:40:37,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800670600] [2021-08-07 03:40:37,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-07 03:40:37,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:40:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-07 03:40:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-08-07 03:40:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:37,278 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:40:37,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.05) internal successors, (101), 19 states have internal predecessors, (101), 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) [2021-08-07 03:40:37,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 03:40:37,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:40:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:40:38,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 03:40:38,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:38,435 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:40:38,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:40:38,436 INFO L82 PathProgramCache]: Analyzing trace with hash 108419339, now seen corresponding path program 3 times [2021-08-07 03:40:38,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:40:38,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511949455] [2021-08-07 03:40:38,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:40:38,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:40:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:40:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 125 proven. 153 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-08-07 03:40:38,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:40:38,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511949455] [2021-08-07 03:40:38,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511949455] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:38,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268941329] [2021-08-07 03:40:38,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 03:40:38,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:38,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:38,594 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) [2021-08-07 03:40:38,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 03:40:38,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-08-07 03:40:38,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 03:40:38,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 03:40:38,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:40:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 126 proven. 139 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-08-07 03:40:39,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268941329] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:39,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:40:39,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-08-07 03:40:39,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547748751] [2021-08-07 03:40:39,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-07 03:40:39,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:40:39,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-07 03:40:39,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2021-08-07 03:40:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:39,161 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:40:39,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 03:40:39,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:40:39,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:40:39,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:39,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:40:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:40:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:40:39,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 03:40:39,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:39,535 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:40:39,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:40:39,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1933132939, now seen corresponding path program 4 times [2021-08-07 03:40:39,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:40:39,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593600159] [2021-08-07 03:40:39,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:40:39,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:40:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:40:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 192 proven. 125 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-08-07 03:40:39,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:40:39,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593600159] [2021-08-07 03:40:39,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593600159] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:39,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518918841] [2021-08-07 03:40:39,676 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 03:40:39,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:39,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:39,700 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) [2021-08-07 03:40:39,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 03:40:39,909 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 03:40:39,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 03:40:39,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-07 03:40:39,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:40:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 238 proven. 59 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-08-07 03:40:40,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518918841] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:40,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:40:40,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2021-08-07 03:40:40,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021571632] [2021-08-07 03:40:40,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-07 03:40:40,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:40:40,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-07 03:40:40,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2021-08-07 03:40:40,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:40,391 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:40:40,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 22 states have internal predecessors, (130), 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) [2021-08-07 03:40:40,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:40:40,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:40:40,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:40:40,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:40:41,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:40:41,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:40:41,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:40:41,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 03:40:41,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:41,435 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:40:41,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:40:41,435 INFO L82 PathProgramCache]: Analyzing trace with hash 151165007, now seen corresponding path program 5 times [2021-08-07 03:40:41,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:40:41,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870311568] [2021-08-07 03:40:41,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:40:41,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:40:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:40:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 543 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 03:40:42,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:40:42,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870311568] [2021-08-07 03:40:42,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870311568] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:42,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789673815] [2021-08-07 03:40:42,630 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 03:40:42,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:42,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:42,634 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) [2021-08-07 03:40:42,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 03:40:43,221 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2021-08-07 03:40:43,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 03:40:43,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-07 03:40:43,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:40:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 214 proven. 507 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-08-07 03:40:44,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789673815] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:44,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:40:44,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 13] total 65 [2021-08-07 03:40:44,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538308239] [2021-08-07 03:40:44,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-08-07 03:40:44,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:40:44,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-08-07 03:40:44,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=883, Invalid=3407, Unknown=0, NotChecked=0, Total=4290 [2021-08-07 03:40:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:44,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:40:44,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.257575757575758) internal successors, (215), 65 states have internal predecessors, (215), 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) [2021-08-07 03:40:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:40:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:40:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:40:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:40:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:40:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:40:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:40:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:40:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:40:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:40:53,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 03:40:53,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:53,200 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:40:53,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:40:53,201 INFO L82 PathProgramCache]: Analyzing trace with hash -40632917, now seen corresponding path program 6 times [2021-08-07 03:40:53,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:40:53,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771097716] [2021-08-07 03:40:53,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:40:53,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:40:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:40:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 2869 proven. 871 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 03:40:57,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:40:57,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771097716] [2021-08-07 03:40:57,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771097716] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:40:57,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912891807] [2021-08-07 03:40:57,841 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 03:40:57,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:40:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:40:57,842 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) [2021-08-07 03:40:57,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 03:40:58,791 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2021-08-07 03:40:58,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 03:40:58,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 82 conjunts are in the unsatisfiable core [2021-08-07 03:40:58,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:40:59,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2021-08-07 03:40:59,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2021-08-07 03:41:00,110 INFO L354 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2021-08-07 03:41:00,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 42 [2021-08-07 03:41:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 69 proven. 2105 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2021-08-07 03:41:05,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912891807] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:41:05,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:41:05,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 42] total 149 [2021-08-07 03:41:05,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497700430] [2021-08-07 03:41:05,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2021-08-07 03:41:05,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:41:05,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2021-08-07 03:41:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3346, Invalid=19004, Unknown=0, NotChecked=0, Total=22350 [2021-08-07 03:41:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:41:05,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:41:05,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 2.3866666666666667) internal successors, (358), 149 states have internal predecessors, (358), 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) [2021-08-07 03:41:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:41:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:41:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:41:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:41:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:41:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:41:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:41:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:41:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:41:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:41:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:41:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-08-07 03:41:48,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-07 03:41:48,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:41:48,305 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:41:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:41:48,305 INFO L82 PathProgramCache]: Analyzing trace with hash -2102813429, now seen corresponding path program 7 times [2021-08-07 03:41:48,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:41:48,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797019303] [2021-08-07 03:41:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:41:48,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:41:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:41:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 11725 backedges. 9553 proven. 2146 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-07 03:41:53,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:41:53,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797019303] [2021-08-07 03:41:53,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797019303] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:41:53,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349251768] [2021-08-07 03:41:53,204 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 03:41:53,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:41:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:41:53,205 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) [2021-08-07 03:41:53,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 03:41:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:41:53,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 120 conjunts are in the unsatisfiable core [2021-08-07 03:41:53,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:42:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 11725 backedges. 10145 proven. 648 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2021-08-07 03:42:03,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349251768] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:42:03,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:42:03,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [131, 90] total 220 [2021-08-07 03:42:03,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620793946] [2021-08-07 03:42:03,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 221 states [2021-08-07 03:42:03,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:42:03,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2021-08-07 03:42:03,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8387, Invalid=40233, Unknown=0, NotChecked=0, Total=48620 [2021-08-07 03:42:03,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:42:03,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:42:03,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 221 states, 221 states have (on average 2.7104072398190047) internal successors, (599), 220 states have internal predecessors, (599), 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) [2021-08-07 03:42:03,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:42:03,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:42:03,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:42:03,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:42:03,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:42:03,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-08-07 03:42:03,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:42:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:42:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:42:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:42:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:42:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:42:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-08-07 03:42:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2021-08-07 03:42:30,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-07 03:42:30,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-07 03:42:30,921 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:42:30,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:42:30,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1870198015, now seen corresponding path program 8 times [2021-08-07 03:42:30,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:42:30,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137008534] [2021-08-07 03:42:30,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:42:30,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:42:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:42:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 23447 backedges. 21758 proven. 1666 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-07 03:42:46,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:42:46,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137008534] [2021-08-07 03:42:46,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137008534] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:42:46,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343747654] [2021-08-07 03:42:46,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 03:42:46,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:42:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:42:46,612 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) [2021-08-07 03:42:46,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 03:42:47,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 03:42:47,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 03:42:47,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 210 conjunts are in the unsatisfiable core [2021-08-07 03:42:47,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:43:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 23447 backedges. 11192 proven. 11327 refuted. 0 times theorem prover too weak. 928 trivial. 0 not checked. [2021-08-07 03:43:00,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343747654] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:43:00,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:43:00,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [221, 101] total 321 [2021-08-07 03:43:00,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123357571] [2021-08-07 03:43:00,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 322 states [2021-08-07 03:43:00,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:43:00,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 322 interpolants. [2021-08-07 03:43:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23040, Invalid=80322, Unknown=0, NotChecked=0, Total=103362 [2021-08-07 03:43:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:43:00,405 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:43:00,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 322 states, 322 states have (on average 2.9937888198757765) internal successors, (964), 321 states have internal predecessors, (964), 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) [2021-08-07 03:43:00,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:43:00,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:43:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:43:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:43:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:43:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-08-07 03:43:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2021-08-07 03:43:00,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:44:44,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:44:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:44:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:44:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:44:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:44:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-08-07 03:44:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2021-08-07 03:44:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 934 states. [2021-08-07 03:44:44,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-07 03:44:45,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:44:45,048 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 03:44:45,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 03:44:45,048 INFO L82 PathProgramCache]: Analyzing trace with hash -732799537, now seen corresponding path program 9 times [2021-08-07 03:44:45,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 03:44:45,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440988337] [2021-08-07 03:44:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 03:44:45,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 03:44:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 03:45:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 65457 backedges. 61546 proven. 3910 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 03:45:39,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 03:45:39,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440988337] [2021-08-07 03:45:39,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440988337] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:45:39,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188403586] [2021-08-07 03:45:39,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 03:45:39,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 03:45:39,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 03:45:39,661 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 03:45:39,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-07 03:45:43,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2021-08-07 03:45:43,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 03:45:43,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 138 conjunts are in the unsatisfiable core [2021-08-07 03:45:43,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 03:45:44,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2021-08-07 03:45:44,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-07 03:45:44,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2021-08-07 03:45:48,904 INFO L354 Elim1Store]: treesize reduction 132, result has 27.1 percent of original size [2021-08-07 03:45:48,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 286 treesize of output 162 [2021-08-07 03:46:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 65457 backedges. 1440 proven. 13602 refuted. 0 times theorem prover too weak. 50415 trivial. 0 not checked. [2021-08-07 03:46:19,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188403586] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 03:46:19,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 03:46:19,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [436, 68] total 503 [2021-08-07 03:46:19,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011769961] [2021-08-07 03:46:19,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 504 states [2021-08-07 03:46:19,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 03:46:19,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 504 interpolants. [2021-08-07 03:46:19,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60701, Invalid=192811, Unknown=0, NotChecked=0, Total=253512 [2021-08-07 03:46:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 03:46:19,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 03:46:19,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 504 states, 504 states have (on average 2.115079365079365) internal successors, (1066), 503 states have internal predecessors, (1066), 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) [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 934 states. [2021-08-07 03:46:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-08-07 03:54:59,575 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 [2021-08-07 03:54:59,576 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 03:54:59,576 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 [2021-08-07 03:54:59,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-07 03:54:59,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-07 03:54:59,937 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1351 known predicates. [2021-08-07 03:54:59,939 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 03:54:59,939 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 03:54:59,939 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 03:54:59,939 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 03:54:59,939 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 03:54:59,939 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 03:54:59,946 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 03:54:59,947 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 03:54:59,948 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 03:54:59 BasicIcfg [2021-08-07 03:54:59,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 03:54:59,948 INFO L168 Benchmark]: Toolchain (without parser) took 865448.51 ms. Allocated memory was 190.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 171.4 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 842.5 MB. Max. memory is 8.0 GB. [2021-08-07 03:54:59,954 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 190.8 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 03:54:59,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 190.8 MB. Free memory was 171.4 MB in the beginning and 169.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 03:54:59,955 INFO L168 Benchmark]: Boogie Preprocessor took 27.61 ms. Allocated memory is still 190.8 MB. Free memory was 169.9 MB in the beginning and 168.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 03:54:59,955 INFO L168 Benchmark]: RCFGBuilder took 294.64 ms. Allocated memory is still 190.8 MB. Free memory was 168.7 MB in the beginning and 153.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 03:54:59,955 INFO L168 Benchmark]: TraceAbstraction took 865097.70 ms. Allocated memory was 190.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 153.0 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 823.6 MB. Max. memory is 8.0 GB. [2021-08-07 03:54:59,955 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 0.13 ms. Allocated memory is still 190.8 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 190.8 MB. Free memory was 171.4 MB in the beginning and 169.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.61 ms. Allocated memory is still 190.8 MB. Free memory was 169.9 MB in the beginning and 168.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 294.64 ms. Allocated memory is still 190.8 MB. Free memory was 168.7 MB in the beginning and 153.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 865097.70 ms. Allocated memory was 190.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 153.0 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 823.6 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: 57355, positive: 49743, positive conditional: 49743, positive unconditional: 0, negative: 7612, negative conditional: 7612, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51645, positive: 49743, positive conditional: 49743, positive unconditional: 0, negative: 1902, negative conditional: 1902, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 51645, positive: 49743, positive conditional: 49743, positive unconditional: 0, negative: 1902, negative conditional: 1902, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67436, positive: 49743, positive conditional: 49218, positive unconditional: 525, negative: 17693, negative conditional: 15791, negative unconditional: 1902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 67436, positive: 49743, positive conditional: 45733, positive unconditional: 4010, negative: 17693, negative conditional: 11332, negative unconditional: 6361, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 67436, positive: 49743, positive conditional: 45733, positive unconditional: 4010, negative: 17693, negative conditional: 11332, negative unconditional: 6361, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2425, positive: 316, positive conditional: 67, positive unconditional: 249, negative: 2109, negative conditional: 2097, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2425, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 2178, negative conditional: 0, negative unconditional: 2178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2178, positive: 69, positive conditional: 67, positive unconditional: 2, negative: 2109, negative conditional: 2097, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3682, positive: 129, positive conditional: 99, positive unconditional: 30, negative: 3553, negative conditional: 3467, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67436, positive: 49427, positive conditional: 45666, positive unconditional: 3761, negative: 15584, negative conditional: 9235, negative unconditional: 6349, unknown: 2425, unknown conditional: 2164, unknown unconditional: 261] , Statistics on independence cache: Total cache size (in pairs): 2425, Positive cache size: 316, Positive conditional cache size: 67, Positive unconditional cache size: 249, Negative cache size: 2109, Negative conditional cache size: 2097, Negative unconditional cache size: 12, Eliminated conditions: 7944, Maximal queried relation: 9, Independence queries for same thread: 5710 - 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: 90]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1351 known predicates. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1351 known predicates. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1351 known predicates. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1351 known predicates. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1351 known predicates. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1351 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 67 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 865024.2ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 705479.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2810, 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: 251.5ms SsaConstructionTime, 5556.3ms SatisfiabilityAnalysisTime, 148952.1ms InterpolantComputationTime, 5050 NumberOfCodeBlocks, 4391 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 5032 ConstructedInterpolants, 0 QuantifiedInterpolants, 56150 SizeOfPredicates, 26 NumberOfNonLiveVariables, 4606 ConjunctsInSsa, 637 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 174568/212234 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