/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 14:25:16,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 14:25:16,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 14:25:16,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 14:25:16,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-22 14:25:16,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 14:25:16,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 14:25:16,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 14:25:16,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 14:25:16,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 14:25:16,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 14:25:16,600 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 14:25:16,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 14:25:16,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 14:25:16,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 14:25:16,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 14:25:16,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 14:25:16,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 14:25:16,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 14:25:16,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 14:25:16,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 14:25:16,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 14:25:16,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 14:25:16,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 14:25:16,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 14:25:16,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 14:25:16,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 14:25:16,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 14:25:16,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:25:16,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 14:25:16,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 14:25:16,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 14:25:16,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 14:25:16,604 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 14:25:16,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 14:25:16,604 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 14:25:16,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 14:25:16,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 14:25:16,604 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 14:25:16,604 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 14:25:16,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 14:25:16,605 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 14:25:16,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 14:25:16,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 14:25:16,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 14:25:16,824 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 14:25:16,828 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 14:25:16,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl [2021-10-22 14:25:16,829 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl' [2021-10-22 14:25:16,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 14:25:16,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 14:25:16,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 14:25:16,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 14:25:16,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 14:25:16,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 14:25:16,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 14:25:16,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 14:25:16,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 14:25:16,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 14:25:16,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 14:25:16,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 14:25:16,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 14:25:16,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/1) ... [2021-10-22 14:25:16,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:25:16,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:16,917 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) [2021-10-22 14:25:16,936 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 [2021-10-22 14:25:16,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-22 14:25:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-22 14:25:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-22 14:25:16,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-22 14:25:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-22 14:25:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-22 14:25:16,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 14:25:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 14:25:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 14:25:16,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-22 14:25:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-22 14:25:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-22 14:25:16,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-10-22 14:25:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-22 14:25:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-22 14:25:16,955 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 14:25:17,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 14:25:17,146 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-22 14:25:17,147 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:25:17 BoogieIcfgContainer [2021-10-22 14:25:17,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 14:25:17,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 14:25:17,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 14:25:17,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 14:25:17,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:25:16" (1/2) ... [2021-10-22 14:25:17,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@804b382 and model type hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:25:17, skipping insertion in model container [2021-10-22 14:25:17,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:25:17" (2/2) ... [2021-10-22 14:25:17,184 INFO L111 eAbstractionObserver]: Analyzing ICFG hard1.wvr.bpl [2021-10-22 14:25:17,188 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 14:25:17,188 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 14:25:17,188 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 14:25:17,189 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 14:25:17,252 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-22 14:25:17,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 14:25:17,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:17,307 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) [2021-10-22 14:25:17,329 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 [2021-10-22 14:25:17,345 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 14:25:17,352 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 [2021-10-22 14:25:17,355 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-22 14:25:17,660 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:17,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1494951678, now seen corresponding path program 1 times [2021-10-22 14:25:17,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:17,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593456314] [2021-10-22 14:25:17,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:17,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 14:25:18,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:18,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593456314] [2021-10-22 14:25:18,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593456314] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:18,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574734686] [2021-10-22 14:25:18,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:18,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:18,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:18,375 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) [2021-10-22 14:25:18,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 14:25:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:18,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 14:25:18,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 14:25:19,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574734686] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:19,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:19,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-10-22 14:25:19,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593156225] [2021-10-22 14:25:19,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-10-22 14:25:19,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:19,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-10-22 14:25:19,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1104, Unknown=0, NotChecked=0, Total=1260 [2021-10-22 14:25:19,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:19,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:19,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.0833333333333335) internal successors, (75), 35 states have internal predecessors, (75), 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) [2021-10-22 14:25:19,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:20,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 14:25:20,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:20,895 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 [2021-10-22 14:25:20,896 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:20,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:20,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1305435480, now seen corresponding path program 2 times [2021-10-22 14:25:20,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:20,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461100427] [2021-10-22 14:25:20,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:20,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-22 14:25:20,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:20,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461100427] [2021-10-22 14:25:20,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461100427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 14:25:20,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 14:25:20,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 14:25:20,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826954709] [2021-10-22 14:25:20,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 14:25:20,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:20,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 14:25:20,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 14:25:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:20,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:20,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-10-22 14:25:20,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 14:25:20,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 14:25:20,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:20,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 14:25:20,972 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:20,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:20,973 INFO L82 PathProgramCache]: Analyzing trace with hash -379261970, now seen corresponding path program 3 times [2021-10-22 14:25:20,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:20,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951752941] [2021-10-22 14:25:20,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:20,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-22 14:25:21,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:21,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951752941] [2021-10-22 14:25:21,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951752941] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:21,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243479012] [2021-10-22 14:25:21,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:25:21,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:21,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:21,044 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) [2021-10-22 14:25:21,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 14:25:21,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-10-22 14:25:21,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:25:21,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 14:25:21,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-22 14:25:21,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243479012] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:21,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:21,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-22 14:25:21,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356279152] [2021-10-22 14:25:21,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 14:25:21,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:21,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 14:25:21,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-22 14:25:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:21,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:21,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2021-10-22 14:25:21,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 14:25:21,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:21,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:21,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:21,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:21,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:21,632 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:21,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:21,632 INFO L82 PathProgramCache]: Analyzing trace with hash 265055936, now seen corresponding path program 4 times [2021-10-22 14:25:21,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:21,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927922452] [2021-10-22 14:25:21,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:21,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-22 14:25:21,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:21,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927922452] [2021-10-22 14:25:21,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927922452] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 14:25:21,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 14:25:21,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 14:25:21,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874146441] [2021-10-22 14:25:21,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 14:25:21,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:21,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 14:25:21,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 14:25:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:21,690 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:21,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-10-22 14:25:21,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:21,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:21,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:21,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:21,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 14:25:21,710 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:21,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:21,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1458264808, now seen corresponding path program 5 times [2021-10-22 14:25:21,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:21,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707136996] [2021-10-22 14:25:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:21,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-22 14:25:21,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:21,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707136996] [2021-10-22 14:25:21,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707136996] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:21,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040111439] [2021-10-22 14:25:21,773 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:25:21,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:21,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:21,774 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) [2021-10-22 14:25:21,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 14:25:21,914 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-10-22 14:25:21,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:25:21,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-22 14:25:21,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-22 14:25:22,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040111439] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 14:25:22,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 14:25:22,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-22 14:25:22,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713584261] [2021-10-22 14:25:22,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 14:25:22,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:22,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 14:25:22,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 14:25:22,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:22,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:22,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-10-22 14:25:22,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:22,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:22,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:22,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:22,372 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:22,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:22,372 INFO L82 PathProgramCache]: Analyzing trace with hash 28203002, now seen corresponding path program 6 times [2021-10-22 14:25:22,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:22,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134631328] [2021-10-22 14:25:22,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:22,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-22 14:25:22,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:22,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134631328] [2021-10-22 14:25:22,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134631328] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:22,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939332646] [2021-10-22 14:25:22,466 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:25:22,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:22,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:22,468 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) [2021-10-22 14:25:22,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 14:25:22,615 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-10-22 14:25:22,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:25:22,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 14:25:22,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-22 14:25:22,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939332646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:22,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:22,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-22 14:25:22,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634691813] [2021-10-22 14:25:22,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 14:25:22,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:22,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 14:25:22,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-22 14:25:22,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:22,811 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:22,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-10-22 14:25:22,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:22,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:22,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:22,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:22,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:22,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:23,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:23,064 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:23,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:23,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1695117742, now seen corresponding path program 7 times [2021-10-22 14:25:23,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:23,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154269926] [2021-10-22 14:25:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:23,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 70 proven. 108 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-22 14:25:23,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:23,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154269926] [2021-10-22 14:25:23,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154269926] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:23,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286519143] [2021-10-22 14:25:23,518 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:25:23,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:23,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:23,523 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) [2021-10-22 14:25:23,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 14:25:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:23,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 62 conjunts are in the unsatisfiable core [2021-10-22 14:25:23,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-22 14:25:24,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286519143] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:24,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:24,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26] total 38 [2021-10-22 14:25:24,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479180307] [2021-10-22 14:25:24,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-10-22 14:25:24,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:24,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-10-22 14:25:24,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=1182, Unknown=0, NotChecked=0, Total=1482 [2021-10-22 14:25:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:24,752 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:24,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:25:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 14:25:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:26,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:26,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:26,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:26,560 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:26,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:26,560 INFO L82 PathProgramCache]: Analyzing trace with hash 677106740, now seen corresponding path program 8 times [2021-10-22 14:25:26,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:26,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389063702] [2021-10-22 14:25:26,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:26,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-10-22 14:25:26,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:26,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389063702] [2021-10-22 14:25:26,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389063702] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 14:25:26,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 14:25:26,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 14:25:26,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094955119] [2021-10-22 14:25:26,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 14:25:26,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:26,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 14:25:26,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-22 14:25:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:26,652 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:26,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:26,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:26,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:26,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:26,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:26,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 14:25:26,729 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:26,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:26,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2099874676, now seen corresponding path program 9 times [2021-10-22 14:25:26,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:26,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029455396] [2021-10-22 14:25:26,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:26,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 39 proven. 319 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-22 14:25:28,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:28,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029455396] [2021-10-22 14:25:28,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029455396] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:28,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446287743] [2021-10-22 14:25:28,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:25:28,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:28,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:28,035 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) [2021-10-22 14:25:28,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 14:25:28,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-22 14:25:28,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:25:28,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 91 conjunts are in the unsatisfiable core [2021-10-22 14:25:28,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 44 proven. 308 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-22 14:25:30,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446287743] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:30,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:30,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 33] total 58 [2021-10-22 14:25:30,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5477049] [2021-10-22 14:25:30,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2021-10-22 14:25:30,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-10-22 14:25:30,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=3213, Unknown=0, NotChecked=0, Total=3422 [2021-10-22 14:25:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:30,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:30,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 2.169491525423729) internal successors, (128), 58 states have internal predecessors, (128), 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) [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:30,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:33,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:33,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:33,976 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:33,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:33,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1995126970, now seen corresponding path program 10 times [2021-10-22 14:25:33,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:33,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272656581] [2021-10-22 14:25:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:33,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 8 proven. 415 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-22 14:25:36,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:36,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272656581] [2021-10-22 14:25:36,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272656581] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:36,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494004847] [2021-10-22 14:25:36,203 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:25:36,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:36,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:36,204 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) [2021-10-22 14:25:36,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-22 14:25:36,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:25:36,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:25:36,609 WARN L261 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 185 conjunts are in the unsatisfiable core [2021-10-22 14:25:36,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 1 proven. 415 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-22 14:25:39,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494004847] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:39,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:39,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 39] total 74 [2021-10-22 14:25:39,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677777207] [2021-10-22 14:25:39,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2021-10-22 14:25:39,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:39,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-10-22 14:25:39,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=5136, Unknown=0, NotChecked=0, Total=5550 [2021-10-22 14:25:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:39,501 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:39,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 1.92) internal successors, (144), 74 states have internal predecessors, (144), 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) [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:39,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:42,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:43,170 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,SelfDestructingSolverStorable9 [2021-10-22 14:25:43,170 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:43,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:43,171 INFO L82 PathProgramCache]: Analyzing trace with hash -597525688, now seen corresponding path program 11 times [2021-10-22 14:25:43,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:43,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541267492] [2021-10-22 14:25:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:43,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-10-22 14:25:43,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:43,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541267492] [2021-10-22 14:25:43,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541267492] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 14:25:43,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 14:25:43,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 14:25:43,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214156868] [2021-10-22 14:25:43,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 14:25:43,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:43,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 14:25:43,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 14:25:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:43,245 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:43,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:43,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-22 14:25:43,288 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:43,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:43,289 INFO L82 PathProgramCache]: Analyzing trace with hash -455465784, now seen corresponding path program 12 times [2021-10-22 14:25:43,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:43,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323109856] [2021-10-22 14:25:43,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:43,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 38 proven. 406 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-22 14:25:44,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:44,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323109856] [2021-10-22 14:25:44,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323109856] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:44,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462393852] [2021-10-22 14:25:44,693 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:25:44,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:44,696 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) [2021-10-22 14:25:44,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-22 14:25:45,336 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-10-22 14:25:45,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:25:45,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 97 conjunts are in the unsatisfiable core [2021-10-22 14:25:45,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 54 proven. 391 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-22 14:25:48,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462393852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:48,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:48,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 48] total 79 [2021-10-22 14:25:48,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276785686] [2021-10-22 14:25:48,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-10-22 14:25:48,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:48,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-10-22 14:25:48,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=5758, Unknown=0, NotChecked=0, Total=6320 [2021-10-22 14:25:48,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:48,003 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:48,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.8875) internal successors, (151), 79 states have internal predecessors, (151), 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) [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:48,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:25:51,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:52,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:52,120 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:52,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:52,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1329720444, now seen corresponding path program 13 times [2021-10-22 14:25:52,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:52,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482950204] [2021-10-22 14:25:52,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:52,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 37 proven. 407 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-22 14:25:53,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:25:53,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482950204] [2021-10-22 14:25:53,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482950204] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:53,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642533033] [2021-10-22 14:25:53,429 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:25:53,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:25:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:25:53,430 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) [2021-10-22 14:25:53,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-22 14:25:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:25:54,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 111 conjunts are in the unsatisfiable core [2021-10-22 14:25:54,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:25:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 35 proven. 398 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-22 14:25:55,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642533033] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:25:55,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:25:55,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 32] total 53 [2021-10-22 14:25:55,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118937866] [2021-10-22 14:25:55,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-10-22 14:25:55,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:25:55,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-10-22 14:25:55,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=2698, Unknown=0, NotChecked=0, Total=2862 [2021-10-22 14:25:55,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:55,906 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:25:55,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.1481481481481484) internal successors, (116), 53 states have internal predecessors, (116), 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) [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:55,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:55,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:25:55,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:25:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:25:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:25:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:25:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-22 14:25:58,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-22 14:25:59,014 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,SelfDestructingSolverStorable12 [2021-10-22 14:25:59,015 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:25:59,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:25:59,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1165732896, now seen corresponding path program 14 times [2021-10-22 14:25:59,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:25:59,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479803034] [2021-10-22 14:25:59,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:25:59,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:25:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:26:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 5 proven. 402 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-22 14:26:00,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:26:00,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479803034] [2021-10-22 14:26:00,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479803034] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:00,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839433499] [2021-10-22 14:26:00,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:26:00,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:26:00,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:26:00,406 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:26:00,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-22 14:26:01,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:26:01,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:26:01,255 WARN L261 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 185 conjunts are in the unsatisfiable core [2021-10-22 14:26:01,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:26:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 1 proven. 415 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-22 14:26:03,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839433499] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:03,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:26:03,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 38] total 59 [2021-10-22 14:26:03,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106488729] [2021-10-22 14:26:03,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2021-10-22 14:26:03,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:26:03,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-10-22 14:26:03,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=3274, Unknown=0, NotChecked=0, Total=3540 [2021-10-22 14:26:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:03,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:26:03,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.1) internal successors, (126), 59 states have internal predecessors, (126), 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) [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:03,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:26:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-22 14:26:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-22 14:26:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:07,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-22 14:26:07,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-22 14:26:07,288 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:26:07,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:26:07,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1824176062, now seen corresponding path program 15 times [2021-10-22 14:26:07,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:26:07,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828052717] [2021-10-22 14:26:07,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:26:07,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:26:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:26:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 12 proven. 479 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 14:26:10,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:26:10,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828052717] [2021-10-22 14:26:10,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828052717] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:10,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755077044] [2021-10-22 14:26:10,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:26:10,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:26:10,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:26:10,169 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:26:10,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-22 14:26:11,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-22 14:26:11,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:26:11,203 WARN L261 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 190 conjunts are in the unsatisfiable core [2021-10-22 14:26:11,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:26:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 7 proven. 469 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-22 14:26:17,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755077044] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:17,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:26:17,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 55] total 112 [2021-10-22 14:26:17,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842427008] [2021-10-22 14:26:17,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2021-10-22 14:26:17,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:26:17,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2021-10-22 14:26:17,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=12159, Unknown=0, NotChecked=0, Total=12656 [2021-10-22 14:26:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:17,398 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:26:17,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 1.592920353982301) internal successors, (180), 112 states have internal predecessors, (180), 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) [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:17,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:17,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:17,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:26:17,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-10-22 14:26:17,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:17,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-22 14:26:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:24,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-10-22 14:26:24,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-22 14:26:24,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-22 14:26:24,540 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:26:24,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:26:24,541 INFO L82 PathProgramCache]: Analyzing trace with hash 626806286, now seen corresponding path program 16 times [2021-10-22 14:26:24,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:26:24,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299050805] [2021-10-22 14:26:24,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:26:24,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:26:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:26:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 1 proven. 564 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-22 14:26:27,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:26:27,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299050805] [2021-10-22 14:26:27,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299050805] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:27,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165437736] [2021-10-22 14:26:27,210 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:26:27,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:26:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:26:27,213 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:26:27,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-22 14:26:28,487 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:26:28,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:26:28,489 WARN L261 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 206 conjunts are in the unsatisfiable core [2021-10-22 14:26:28,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:26:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 1 proven. 563 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-22 14:26:35,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165437736] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:35,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:26:35,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53] total 92 [2021-10-22 14:26:35,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645753941] [2021-10-22 14:26:35,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2021-10-22 14:26:35,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:26:35,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-10-22 14:26:35,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=8214, Unknown=0, NotChecked=0, Total=8556 [2021-10-22 14:26:35,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:35,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:26:35,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 1.8172043010752688) internal successors, (169), 92 states have internal predecessors, (169), 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) [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-10-22 14:26:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:44,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-22 14:26:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:44,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-22 14:26:44,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-22 14:26:44,665 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:26:44,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:26:44,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1158855474, now seen corresponding path program 17 times [2021-10-22 14:26:44,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:26:44,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171976293] [2021-10-22 14:26:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:26:44,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:26:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:26:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 15 proven. 679 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-22 14:26:47,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:26:47,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171976293] [2021-10-22 14:26:47,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171976293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:47,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117445012] [2021-10-22 14:26:47,659 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:26:47,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:26:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:26:47,660 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:26:47,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-22 14:26:49,342 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-10-22 14:26:49,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:26:49,346 WARN L261 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 206 conjunts are in the unsatisfiable core [2021-10-22 14:26:49,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:26:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 16 proven. 640 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-22 14:26:53,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117445012] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:26:53,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:26:53,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 40] total 79 [2021-10-22 14:26:53,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480173145] [2021-10-22 14:26:53,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-10-22 14:26:53,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:26:53,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-10-22 14:26:53,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=5894, Unknown=0, NotChecked=0, Total=6320 [2021-10-22 14:26:53,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:53,061 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:26:53,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.9875) internal successors, (159), 79 states have internal predecessors, (159), 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) [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:26:53,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:26:53,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-22 14:26:53,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:53,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:26:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:26:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-22 14:26:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:26:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:26:59,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-22 14:27:00,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:00,121 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:27:00,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:27:00,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1695464560, now seen corresponding path program 18 times [2021-10-22 14:27:00,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:27:00,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791218287] [2021-10-22 14:27:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:27:00,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:27:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:27:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 51 proven. 657 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-22 14:27:01,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:27:01,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791218287] [2021-10-22 14:27:01,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791218287] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:01,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317454965] [2021-10-22 14:27:01,855 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:27:01,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:27:01,856 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:27:01,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-22 14:27:03,818 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2021-10-22 14:27:03,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:27:03,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 143 conjunts are in the unsatisfiable core [2021-10-22 14:27:03,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:27:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 55 proven. 632 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-22 14:27:06,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317454965] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:06,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:27:06,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 37] total 61 [2021-10-22 14:27:06,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292551448] [2021-10-22 14:27:06,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-10-22 14:27:06,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:27:06,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-10-22 14:27:06,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=3569, Unknown=0, NotChecked=0, Total=3782 [2021-10-22 14:27:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:06,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:27:06,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.1774193548387095) internal successors, (135), 61 states have internal predecessors, (135), 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) [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:06,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-22 14:27:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-22 14:27:10,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-22 14:27:10,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-22 14:27:10,543 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:27:10,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:27:10,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1988249548, now seen corresponding path program 19 times [2021-10-22 14:27:10,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:27:10,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398334442] [2021-10-22 14:27:10,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:27:10,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:27:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:27:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 17 proven. 658 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-22 14:27:12,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:27:12,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398334442] [2021-10-22 14:27:12,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398334442] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:12,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838970583] [2021-10-22 14:27:12,475 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:27:12,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:12,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:27:12,476 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:27:12,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-22 14:27:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:27:14,547 WARN L261 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 235 conjunts are in the unsatisfiable core [2021-10-22 14:27:14,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:27:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 13 proven. 665 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-22 14:27:18,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838970583] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:18,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:27:18,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43] total 74 [2021-10-22 14:27:18,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371940216] [2021-10-22 14:27:18,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2021-10-22 14:27:18,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:27:18,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-10-22 14:27:18,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=5162, Unknown=0, NotChecked=0, Total=5550 [2021-10-22 14:27:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:18,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:27:18,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 2.1066666666666665) internal successors, (158), 74 states have internal predecessors, (158), 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) [2021-10-22 14:27:18,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-22 14:27:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:27:24,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-22 14:27:24,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:24,463 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:27:24,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:27:24,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1980720686, now seen corresponding path program 20 times [2021-10-22 14:27:24,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:27:24,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060585692] [2021-10-22 14:27:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:27:24,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:27:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:27:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 6 proven. 758 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-22 14:27:27,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:27:27,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060585692] [2021-10-22 14:27:27,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060585692] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:27,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607484601] [2021-10-22 14:27:27,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:27:27,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:27:27,796 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:27:27,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-22 14:27:30,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:27:30,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:27:30,124 WARN L261 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 249 conjunts are in the unsatisfiable core [2021-10-22 14:27:30,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:27:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 20 proven. 702 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-22 14:27:34,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607484601] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:34,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:27:34,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 44] total 85 [2021-10-22 14:27:34,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836147604] [2021-10-22 14:27:34,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2021-10-22 14:27:34,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:27:34,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-10-22 14:27:34,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=6975, Unknown=0, NotChecked=0, Total=7310 [2021-10-22 14:27:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:34,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:27:34,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.930232558139535) internal successors, (166), 85 states have internal predecessors, (166), 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) [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:27:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:27:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:27:41,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-10-22 14:27:41,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:41,321 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:27:41,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:27:41,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1770108662, now seen corresponding path program 21 times [2021-10-22 14:27:41,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:27:41,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496066421] [2021-10-22 14:27:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:27:41,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:27:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:27:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 22 proven. 686 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-22 14:27:42,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:27:42,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496066421] [2021-10-22 14:27:42,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496066421] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:42,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076862372] [2021-10-22 14:27:42,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:27:42,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:42,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:27:42,957 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:27:42,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-22 14:27:45,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-10-22 14:27:45,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:27:45,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 144 conjunts are in the unsatisfiable core [2021-10-22 14:27:45,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:27:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 22 proven. 665 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-22 14:27:47,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076862372] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:47,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:27:47,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 38] total 61 [2021-10-22 14:27:47,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243275981] [2021-10-22 14:27:47,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-10-22 14:27:47,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:27:47,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-10-22 14:27:47,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=3516, Unknown=0, NotChecked=0, Total=3782 [2021-10-22 14:27:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:47,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:27:47,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.1451612903225805) internal successors, (133), 61 states have internal predecessors, (133), 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) [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:47,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:27:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:27:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:27:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:27:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:27:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:27:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:27:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:27:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:27:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:27:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:27:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:27:52,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:27:52,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-22 14:27:52,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-22 14:27:52,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:52,373 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:27:52,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:27:52,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1233950828, now seen corresponding path program 22 times [2021-10-22 14:27:52,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:27:52,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153187889] [2021-10-22 14:27:52,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:27:52,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:27:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:27:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 69 proven. 726 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-22 14:27:54,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:27:54,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153187889] [2021-10-22 14:27:54,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153187889] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:27:54,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814950729] [2021-10-22 14:27:54,753 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:27:54,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:27:54,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:27:54,754 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:27:54,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-22 14:27:57,655 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:27:57,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:27:57,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 141 conjunts are in the unsatisfiable core [2021-10-22 14:27:57,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:28:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 75 proven. 684 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-22 14:28:00,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814950729] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:28:00,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:28:00,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 42] total 78 [2021-10-22 14:28:00,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493592433] [2021-10-22 14:28:00,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2021-10-22 14:28:00,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:28:00,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-10-22 14:28:00,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=5792, Unknown=0, NotChecked=0, Total=6162 [2021-10-22 14:28:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:28:00,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:28:00,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 2.0126582278481013) internal successors, (159), 78 states have internal predecessors, (159), 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) [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:28:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:28:00,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:28:00,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:00,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:28:00,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:28:00,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-22 14:28:00,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:28:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:28:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:28:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-22 14:28:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-22 14:28:04,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-22 14:28:04,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:28:04,895 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:28:04,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:28:04,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1484852536, now seen corresponding path program 23 times [2021-10-22 14:28:04,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:28:04,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356982112] [2021-10-22 14:28:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:28:04,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:28:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:28:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 3 proven. 743 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-22 14:28:07,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:28:07,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356982112] [2021-10-22 14:28:07,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356982112] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:28:07,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195187308] [2021-10-22 14:28:07,451 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:28:07,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:28:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:28:07,452 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:28:07,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-22 14:28:10,597 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-10-22 14:28:10,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:28:10,601 WARN L261 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 243 conjunts are in the unsatisfiable core [2021-10-22 14:28:10,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:28:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 3 proven. 742 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-22 14:28:17,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195187308] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:28:17,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:28:17,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 50] total 84 [2021-10-22 14:28:17,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730184097] [2021-10-22 14:28:17,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2021-10-22 14:28:17,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:28:17,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-10-22 14:28:17,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=6867, Unknown=0, NotChecked=0, Total=7140 [2021-10-22 14:28:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:28:17,284 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:28:17,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 1.9058823529411764) internal successors, (162), 84 states have internal predecessors, (162), 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) [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:28:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-22 14:28:17,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:28:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:28:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:28:25,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-22 14:28:26,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-22 14:28:26,110 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:28:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:28:26,110 INFO L82 PathProgramCache]: Analyzing trace with hash -623618736, now seen corresponding path program 24 times [2021-10-22 14:28:26,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:28:26,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250916087] [2021-10-22 14:28:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:28:26,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:28:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:28:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1702 backedges. 14 proven. 1655 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-10-22 14:28:33,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:28:33,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250916087] [2021-10-22 14:28:33,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250916087] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:28:33,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61397058] [2021-10-22 14:28:33,090 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:28:33,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:28:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:28:33,091 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:28:33,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-22 14:28:36,795 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-10-22 14:28:36,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:28:36,800 WARN L261 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 368 conjunts are in the unsatisfiable core [2021-10-22 14:28:36,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:28:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1702 backedges. 38 proven. 1463 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-10-22 14:28:47,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61397058] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:28:47,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:28:47,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 61] total 141 [2021-10-22 14:28:47,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055495523] [2021-10-22 14:28:47,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2021-10-22 14:28:47,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:28:47,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2021-10-22 14:28:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=544, Invalid=19478, Unknown=0, NotChecked=0, Total=20022 [2021-10-22 14:28:47,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:28:47,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:28:47,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 1.8380281690140845) internal successors, (261), 141 states have internal predecessors, (261), 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) [2021-10-22 14:28:47,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:28:47,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:28:47,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:28:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:28:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:28:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:29:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:29:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:29:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:29:12,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:29:12,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-10-22 14:29:12,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-22 14:29:12,780 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:29:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:29:12,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1616883784, now seen corresponding path program 25 times [2021-10-22 14:29:12,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:29:12,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515257110] [2021-10-22 14:29:12,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:29:12,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:29:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:29:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 122 proven. 1962 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-22 14:29:16,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:29:16,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515257110] [2021-10-22 14:29:16,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515257110] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:29:16,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977467472] [2021-10-22 14:29:16,866 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:29:16,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:29:16,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:29:16,867 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:29:16,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-22 14:29:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:29:20,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 193 conjunts are in the unsatisfiable core [2021-10-22 14:29:20,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:29:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 166 proven. 1877 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-10-22 14:29:26,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977467472] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:29:26,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:29:26,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 77] total 149 [2021-10-22 14:29:26,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598978418] [2021-10-22 14:29:26,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2021-10-22 14:29:26,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:29:26,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2021-10-22 14:29:26,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1601, Invalid=20749, Unknown=0, NotChecked=0, Total=22350 [2021-10-22 14:29:26,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:29:26,963 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:29:26,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 1.92) internal successors, (288), 149 states have internal predecessors, (288), 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) [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:29:26,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:29:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:29:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:29:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:29:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:29:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:29:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:29:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:29:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:29:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:29:40,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-10-22 14:29:41,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:29:41,066 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:29:41,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:29:41,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1468464390, now seen corresponding path program 26 times [2021-10-22 14:29:41,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:29:41,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413442605] [2021-10-22 14:29:41,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:29:41,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:29:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:29:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2099 backedges. 28 proven. 2038 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-10-22 14:29:48,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:29:48,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413442605] [2021-10-22 14:29:48,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413442605] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:29:48,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129600575] [2021-10-22 14:29:48,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:29:48,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:29:48,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:29:48,150 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:29:48,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-22 14:29:52,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:29:52,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:29:52,577 WARN L261 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 364 conjunts are in the unsatisfiable core [2021-10-22 14:29:52,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:30:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2099 backedges. 61 proven. 2011 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-22 14:30:16,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129600575] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:30:16,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:30:16,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 116] total 209 [2021-10-22 14:30:16,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905112963] [2021-10-22 14:30:16,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2021-10-22 14:30:16,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:30:16,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2021-10-22 14:30:16,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=922, Invalid=42968, Unknown=0, NotChecked=0, Total=43890 [2021-10-22 14:30:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:30:16,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:30:16,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 1.638095238095238) internal successors, (344), 209 states have internal predecessors, (344), 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) [2021-10-22 14:30:16,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:30:16,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:30:16,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:30:16,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:30:16,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:30:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:30:16,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:30:16,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:30:16,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:30:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:30:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:30:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-22 14:30:49,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-22 14:30:50,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:30:50,081 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:30:50,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:30:50,081 INFO L82 PathProgramCache]: Analyzing trace with hash -639070316, now seen corresponding path program 27 times [2021-10-22 14:30:50,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:30:50,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267795562] [2021-10-22 14:30:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:30:50,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:30:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:30:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2099 backedges. 34 proven. 2026 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-22 14:30:57,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:30:57,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267795562] [2021-10-22 14:30:57,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267795562] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:30:57,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565037011] [2021-10-22 14:30:57,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:30:57,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:30:57,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:30:57,166 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:30:57,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-22 14:31:02,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2021-10-22 14:31:02,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:31:02,708 WARN L261 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 404 conjunts are in the unsatisfiable core [2021-10-22 14:31:02,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:31:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2099 backedges. 39 proven. 1847 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-10-22 14:31:14,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565037011] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:14,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:31:14,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 70] total 154 [2021-10-22 14:31:14,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601185192] [2021-10-22 14:31:14,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2021-10-22 14:31:14,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:31:14,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2021-10-22 14:31:14,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=677, Invalid=23193, Unknown=0, NotChecked=0, Total=23870 [2021-10-22 14:31:14,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:14,062 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:31:14,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 1.8193548387096774) internal successors, (282), 154 states have internal predecessors, (282), 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) [2021-10-22 14:31:14,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:31:14,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:14,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:14,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:31:14,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:31:14,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:31:14,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-22 14:31:14,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:31:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-10-22 14:31:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:31:31,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-10-22 14:31:31,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-22 14:31:31,758 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:31:31,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:31:31,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1524132942, now seen corresponding path program 28 times [2021-10-22 14:31:31,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:31:31,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664375671] [2021-10-22 14:31:31,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:31:31,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:31:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:31:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 1127 proven. 661 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-10-22 14:31:33,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:31:33,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664375671] [2021-10-22 14:31:33,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664375671] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:33,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628854203] [2021-10-22 14:31:33,067 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:31:33,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:31:33,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:31:33,068 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:31:33,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-22 14:31:38,911 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:31:38,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:31:38,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 201 conjunts are in the unsatisfiable core [2021-10-22 14:31:38,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:31:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 416 proven. 1402 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-10-22 14:31:41,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628854203] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:41,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:31:41,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 51] total 81 [2021-10-22 14:31:41,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379043932] [2021-10-22 14:31:41,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2021-10-22 14:31:41,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:31:41,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-10-22 14:31:41,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1341, Invalid=5301, Unknown=0, NotChecked=0, Total=6642 [2021-10-22 14:31:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:41,934 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:31:41,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 2.182926829268293) internal successors, (179), 81 states have internal predecessors, (179), 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) [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:31:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:31:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:31:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-10-22 14:31:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:31:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-10-22 14:31:45,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-10-22 14:31:45,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-22 14:31:45,699 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:31:45,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:31:45,699 INFO L82 PathProgramCache]: Analyzing trace with hash 441365136, now seen corresponding path program 29 times [2021-10-22 14:31:45,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:31:45,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181479495] [2021-10-22 14:31:45,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:31:45,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:31:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:31:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 1095 proven. 693 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-10-22 14:31:46,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:31:46,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181479495] [2021-10-22 14:31:46,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181479495] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:46,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088574232] [2021-10-22 14:31:46,961 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:31:46,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:31:46,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:31:46,964 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:31:46,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-22 14:31:53,279 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2021-10-22 14:31:53,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:31:53,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 227 conjunts are in the unsatisfiable core [2021-10-22 14:31:53,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:31:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 58 proven. 1719 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-10-22 14:31:56,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088574232] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:56,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:31:56,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 51] total 85 [2021-10-22 14:31:56,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512249782] [2021-10-22 14:31:56,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2021-10-22 14:31:56,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:31:56,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-10-22 14:31:56,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1484, Invalid=5826, Unknown=0, NotChecked=0, Total=7310 [2021-10-22 14:31:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:56,460 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:31:56,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.1627906976744184) internal successors, (186), 85 states have internal predecessors, (186), 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) [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:31:56,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-10-22 14:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:32:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-22 14:32:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-10-22 14:32:01,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-22 14:32:01,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-22 14:32:01,270 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:32:01,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:32:01,270 INFO L82 PathProgramCache]: Analyzing trace with hash 288494904, now seen corresponding path program 30 times [2021-10-22 14:32:01,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:32:01,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092761331] [2021-10-22 14:32:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:32:01,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:32:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:32:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 170 proven. 1928 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-22 14:32:05,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:32:05,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092761331] [2021-10-22 14:32:05,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092761331] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:05,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339348099] [2021-10-22 14:32:05,431 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:32:05,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:32:05,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:32:05,432 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:32:05,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-22 14:32:11,811 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-10-22 14:32:11,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:32:11,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 232 conjunts are in the unsatisfiable core [2021-10-22 14:32:11,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:32:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 184 proven. 1729 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-10-22 14:32:16,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339348099] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:16,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:32:16,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 47] total 119 [2021-10-22 14:32:16,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365652578] [2021-10-22 14:32:16,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2021-10-22 14:32:16,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:32:16,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2021-10-22 14:32:16,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=13718, Unknown=0, NotChecked=0, Total=14280 [2021-10-22 14:32:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:16,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:32:16,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 2.066666666666667) internal successors, (248), 119 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:32:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-22 14:32:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-10-22 14:32:16,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:32:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:32:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:32:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:32:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:32:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:32:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:32:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:32:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:26,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-10-22 14:32:26,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:32:26,450 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:32:26,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:32:26,451 INFO L82 PathProgramCache]: Analyzing trace with hash 323974384, now seen corresponding path program 31 times [2021-10-22 14:32:26,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:32:26,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573354035] [2021-10-22 14:32:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:32:26,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:32:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:32:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 11 proven. 2018 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-22 14:32:33,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:32:33,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573354035] [2021-10-22 14:32:33,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573354035] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:33,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000186291] [2021-10-22 14:32:33,341 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:32:33,341 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:32:33,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:32:33,343 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:32:33,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-22 14:32:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:32:40,005 WARN L261 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 384 conjunts are in the unsatisfiable core [2021-10-22 14:32:40,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:32:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 30 proven. 1846 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-10-22 14:32:48,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000186291] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:48,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:32:48,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 56] total 151 [2021-10-22 14:32:48,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700748254] [2021-10-22 14:32:48,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2021-10-22 14:32:48,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:32:48,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2021-10-22 14:32:48,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=854, Invalid=22098, Unknown=0, NotChecked=0, Total=22952 [2021-10-22 14:32:48,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:48,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:32:48,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 1.894736842105263) internal successors, (288), 151 states have internal predecessors, (288), 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) [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:32:48,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:48,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:33:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-22 14:33:08,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:33:08,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-22 14:33:08,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:33:08,435 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:33:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:33:08,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1761345874, now seen corresponding path program 32 times [2021-10-22 14:33:08,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:33:08,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341449147] [2021-10-22 14:33:08,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:33:08,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:33:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:33:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 101 proven. 1960 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-22 14:33:12,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:33:12,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341449147] [2021-10-22 14:33:12,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341449147] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:12,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883410059] [2021-10-22 14:33:12,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:33:12,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:33:12,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:33:12,757 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:33:12,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-22 14:33:19,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:33:19,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:33:19,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 235 conjunts are in the unsatisfiable core [2021-10-22 14:33:19,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:33:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 113 proven. 1763 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-10-22 14:33:23,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883410059] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:23,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:33:23,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 48] total 111 [2021-10-22 14:33:23,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152806038] [2021-10-22 14:33:23,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2021-10-22 14:33:23,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:33:23,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2021-10-22 14:33:23,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=11894, Unknown=0, NotChecked=0, Total=12432 [2021-10-22 14:33:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:23,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:33:23,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 1.9910714285714286) internal successors, (223), 111 states have internal predecessors, (223), 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) [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:33:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:33:23,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-22 14:33:23,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:33:23,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:33:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:33:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:33:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:33:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:33:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-22 14:33:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:33:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:33,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-10-22 14:33:33,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:33:33,683 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:33:33,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:33:33,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1153368458, now seen corresponding path program 33 times [2021-10-22 14:33:33,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:33:33,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897209184] [2021-10-22 14:33:33,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:33:33,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:33:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:33:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 21 proven. 1996 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-22 14:33:40,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:33:40,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897209184] [2021-10-22 14:33:40,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897209184] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:40,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136615673] [2021-10-22 14:33:40,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:33:40,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:33:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:33:40,203 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:33:40,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-22 14:33:47,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2021-10-22 14:33:47,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:33:47,722 WARN L261 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 411 conjunts are in the unsatisfiable core [2021-10-22 14:33:47,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:33:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 43 proven. 1789 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-10-22 14:33:54,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136615673] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:54,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:33:54,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 52] total 129 [2021-10-22 14:33:54,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817699586] [2021-10-22 14:33:54,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2021-10-22 14:33:54,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:33:54,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2021-10-22 14:33:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=16067, Unknown=0, NotChecked=0, Total=16770 [2021-10-22 14:33:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:54,825 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:33:54,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 1.9538461538461538) internal successors, (254), 129 states have internal predecessors, (254), 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) [2021-10-22 14:33:54,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:33:54,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:54,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:33:54,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:54,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:34:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-10-22 14:34:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:34:13,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2021-10-22 14:34:13,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-10-22 14:34:13,899 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:34:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:34:13,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1791405260, now seen corresponding path program 34 times [2021-10-22 14:34:13,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:34:13,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878048960] [2021-10-22 14:34:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:34:13,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:34:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:34:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2270 backedges. 185 proven. 2029 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-22 14:34:18,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:34:18,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878048960] [2021-10-22 14:34:18,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878048960] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:18,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155143335] [2021-10-22 14:34:18,361 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:34:18,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:34:18,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:34:18,362 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:34:18,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-22 14:34:26,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:34:26,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:34:26,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 202 conjunts are in the unsatisfiable core [2021-10-22 14:34:26,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:34:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2270 backedges. 241 proven. 1916 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-10-22 14:34:31,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155143335] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:31,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:34:31,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 71] total 140 [2021-10-22 14:34:31,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589276835] [2021-10-22 14:34:31,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2021-10-22 14:34:31,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:34:31,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2021-10-22 14:34:31,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1339, Invalid=18401, Unknown=0, NotChecked=0, Total=19740 [2021-10-22 14:34:31,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:31,216 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:34:31,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 1.9432624113475176) internal successors, (274), 140 states have internal predecessors, (274), 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) [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:34:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:34:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:34:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-10-22 14:34:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:34:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-10-22 14:34:46,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-10-22 14:34:46,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:34:46,442 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:34:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:34:46,443 INFO L82 PathProgramCache]: Analyzing trace with hash -4386580, now seen corresponding path program 35 times [2021-10-22 14:34:46,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:34:46,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066991000] [2021-10-22 14:34:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:34:46,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:34:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:34:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 7 proven. 2134 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-22 14:34:54,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:34:54,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066991000] [2021-10-22 14:34:54,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066991000] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:54,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911652327] [2021-10-22 14:34:54,814 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:34:54,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:34:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:34:54,815 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:34:54,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-22 14:35:03,131 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2021-10-22 14:35:03,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:35:03,136 WARN L261 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 384 conjunts are in the unsatisfiable core [2021-10-22 14:35:03,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:35:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 23 proven. 2098 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-10-22 14:35:25,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911652327] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:35:25,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:35:25,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [110, 107] total 196 [2021-10-22 14:35:25,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957947732] [2021-10-22 14:35:25,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 197 states [2021-10-22 14:35:25,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:35:25,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2021-10-22 14:35:25,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=859, Invalid=37753, Unknown=0, NotChecked=0, Total=38612 [2021-10-22 14:35:25,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:35:25,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:35:25,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 197 states, 197 states have (on average 1.6446700507614214) internal successors, (324), 196 states have internal predecessors, (324), 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) [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:35:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-10-22 14:35:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:07,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:36:07,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-10-22 14:36:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:36:07,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-10-22 14:36:07,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:36:07,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-10-22 14:36:07,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:36:07,446 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:36:07,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:36:07,447 INFO L82 PathProgramCache]: Analyzing trace with hash -931951800, now seen corresponding path program 36 times [2021-10-22 14:36:07,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:36:07,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815057888] [2021-10-22 14:36:07,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:36:07,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:36:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:36:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 60 proven. 1995 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-22 14:36:11,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:36:11,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815057888] [2021-10-22 14:36:11,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815057888] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:36:11,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301859173] [2021-10-22 14:36:11,621 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:36:11,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:36:11,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:36:11,625 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:36:11,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-22 14:36:20,809 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-10-22 14:36:20,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:36:20,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 239 conjunts are in the unsatisfiable core [2021-10-22 14:36:20,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:36:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 58 proven. 1818 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-10-22 14:36:24,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301859173] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:36:24,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:36:24,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 49] total 108 [2021-10-22 14:36:24,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659887236] [2021-10-22 14:36:24,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2021-10-22 14:36:24,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:36:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2021-10-22 14:36:24,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=11197, Unknown=0, NotChecked=0, Total=11772 [2021-10-22 14:36:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:24,913 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:36:24,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.018348623853211) internal successors, (220), 108 states have internal predecessors, (220), 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) [2021-10-22 14:36:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:36:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:36:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-10-22 14:36:24,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-22 14:36:24,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-22 14:36:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-22 14:36:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-10-22 14:36:33,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-10-22 14:36:33,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-22 14:36:33,707 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-22 14:36:33,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:36:33,707 INFO L82 PathProgramCache]: Analyzing trace with hash 825007494, now seen corresponding path program 37 times [2021-10-22 14:36:33,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:36:33,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938742594] [2021-10-22 14:36:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:36:33,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:36:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:36:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 15 proven. 2122 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-22 14:36:41,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:36:41,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938742594] [2021-10-22 14:36:41,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938742594] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:36:41,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236256983] [2021-10-22 14:36:41,664 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:36:41,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:36:41,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:36:41,665 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 14:36:41,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-10-22 14:36:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:36:51,011 WARN L261 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 382 conjunts are in the unsatisfiable core [2021-10-22 14:36:51,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-10-22 14:37:04,649 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 14:37:04,673 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 [2021-10-22 14:37:04,674 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 [2021-10-22 14:37:04,674 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 14:37:04,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2021-10-22 14:37:04,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-10-22 14:37:04,850 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 174 known predicates. [2021-10-22 14:37:04,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 14:37:04,853 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 14:37:04,853 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 14:37:04,853 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-22 14:37:04,859 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 14:37:04,859 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 14:37:04,861 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:37:04 BasicIcfg [2021-10-22 14:37:04,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 14:37:04,862 INFO L168 Benchmark]: Toolchain (without parser) took 708011.36 ms. Allocated memory was 185.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 153.3 MB in the beginning and 411.4 MB in the end (delta: -258.1 MB). Peak memory consumption was 764.3 MB. Max. memory is 8.0 GB. [2021-10-22 14:37:04,863 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 154.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 14:37:04,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.85 ms. Allocated memory is still 185.6 MB. Free memory was 153.1 MB in the beginning and 151.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:37:04,863 INFO L168 Benchmark]: Boogie Preprocessor took 14.07 ms. Allocated memory is still 185.6 MB. Free memory was 151.6 MB in the beginning and 150.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:37:04,863 INFO L168 Benchmark]: RCFGBuilder took 271.44 ms. Allocated memory is still 185.6 MB. Free memory was 150.6 MB in the beginning and 137.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-22 14:37:04,863 INFO L168 Benchmark]: TraceAbstraction took 707698.31 ms. Allocated memory was 185.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 136.6 MB in the beginning and 411.4 MB in the end (delta: -274.8 MB). Peak memory consumption was 747.5 MB. Max. memory is 8.0 GB. [2021-10-22 14:37:04,865 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 185.6 MB. Free memory is still 154.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.85 ms. Allocated memory is still 185.6 MB. Free memory was 153.1 MB in the beginning and 151.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.07 ms. Allocated memory is still 185.6 MB. Free memory was 151.6 MB in the beginning and 150.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 271.44 ms. Allocated memory is still 185.6 MB. Free memory was 150.6 MB in the beginning and 137.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 707698.31 ms. Allocated memory was 185.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 136.6 MB in the beginning and 411.4 MB in the end (delta: -274.8 MB). Peak memory consumption was 747.5 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: 61858, positive: 46552, positive conditional: 45927, positive unconditional: 625, negative: 15306, negative conditional: 15294, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53560, positive: 46552, positive conditional: 0, positive unconditional: 46552, negative: 7008, negative conditional: 0, negative unconditional: 7008, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 569, positive: 557, positive conditional: 0, positive unconditional: 557, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 569, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 153, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53560, positive: 45995, positive conditional: 0, positive unconditional: 45995, negative: 6996, negative conditional: 0, negative unconditional: 6996, unknown: 569, unknown conditional: 0, unknown unconditional: 569] , Statistics on independence cache: Total cache size (in pairs): 569, Positive cache size: 557, Positive conditional cache size: 0, Positive unconditional cache size: 557, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Independence queries for same thread: 8298 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 229, Number of persistent set computation: 113, Number of trivial persistent sets: 44, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 61858, positive: 46552, positive conditional: 45927, positive unconditional: 625, negative: 15306, negative conditional: 15294, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53560, positive: 46552, positive conditional: 0, positive unconditional: 46552, negative: 7008, negative conditional: 0, negative unconditional: 7008, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 569, positive: 557, positive conditional: 0, positive unconditional: 557, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 569, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 153, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53560, positive: 45995, positive conditional: 0, positive unconditional: 45995, negative: 6996, negative conditional: 0, negative unconditional: 6996, unknown: 569, unknown conditional: 0, unknown unconditional: 569] , Statistics on independence cache: Total cache size (in pairs): 569, Positive cache size: 557, Positive conditional cache size: 0, Positive unconditional cache size: 557, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Independence queries for same thread: 8298 - 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: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 174 known predicates. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 174 known predicates. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 174 known predicates. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 174 known predicates. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 174 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 50 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 707561.2ms, OverallIterations: 37, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.0ms, PartialOrderReductionTime: 298927.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2569, 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: 435.8ms SsaConstructionTime, 6840.8ms SatisfiabilityAnalysisTime, 260763.5ms InterpolantComputationTime, 9404 NumberOfCodeBlocks, 9363 NumberOfCodeBlocksAsserted, 345 NumberOfCheckSat, 9336 ConstructedInterpolants, 0 QuantifiedInterpolants, 182636 SizeOfPredicates, 15 NumberOfNonLiveVariables, 11484 ConjunctsInSsa, 6364 ConjunctsInUnsatCore, 68 InterpolantComputations, 5 PerfectInterpolantSequences, 11672/73984 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