/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 18:13:24,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 18:13:24,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 18:13:24,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-06 18:13:24,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-06 18:13:24,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-06 18:13:24,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-06 18:13:24,775 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-None-NoLbe.epf [2021-08-06 18:13:24,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 18:13:24,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 18:13:24,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-06 18:13:24,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-06 18:13:24,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 18:13:24,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 18:13:24,814 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 18:13:24,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 18:13:24,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 18:13:24,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 18:13:24,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 18:13:24,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 18:13:24,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 18:13:24,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 18:13:24,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 18:13:24,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 18:13:24,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 18:13:24,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 18:13:24,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 18:13:24,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 18:13:24,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 18:13:24,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 18:13:24,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 18:13:24,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 18:13:24,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 18:13:24,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 18:13:24,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 18:13:24,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 18:13:24,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 18:13:24,819 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 18:13:24,819 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-06 18:13:24,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 18:13:24,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 18:13:25,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 18:13:25,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 18:13:25,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 18:13:25,166 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-06 18:13:25,169 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-06 18:13:25,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2021-08-06 18:13:25,170 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2021-08-06 18:13:25,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 18:13:25,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-06 18:13:25,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 18:13:25,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 18:13:25,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 18:13:25,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 18:13:25,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 18:13:25,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 18:13:25,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 18:13:25,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 18:13:25,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 18:13:25,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 18:13:25,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 18:13:25,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/1) ... [2021-08-06 18:13:25,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 18:13:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:25,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-06 18:13:25,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-06 18:13:25,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-06 18:13:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-06 18:13:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-06 18:13:25,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-06 18:13:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-06 18:13:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-06 18:13:25,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-06 18:13:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 18:13:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 18:13:25,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-06 18:13:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-06 18:13:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-06 18:13:25,310 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 18:13:25,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 18:13:25,586 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-06 18:13:25,587 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 06:13:25 BoogieIcfgContainer [2021-08-06 18:13:25,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 18:13:25,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 18:13:25,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 18:13:25,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 18:13:25,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 06:13:25" (1/2) ... [2021-08-06 18:13:25,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ebe10e and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 06:13:25, skipping insertion in model container [2021-08-06 18:13:25,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 06:13:25" (2/2) ... [2021-08-06 18:13:25,594 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2021-08-06 18:13:25,614 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 18:13:25,615 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 18:13:25,615 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-06 18:13:25,615 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 18:13:25,679 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-06 18:13:25,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-06 18:13:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:25,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-06 18:13:25,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-06 18:13:25,759 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 18:13:25,767 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 18:13:25,767 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-06 18:13:25,779 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 32 transitions, 88 flow [2021-08-06 18:13:25,817 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 115 states, 114 states have (on average 2.763157894736842) internal successors, (315), 114 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:13:25,834 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:13:25,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:13:25,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1247509214, now seen corresponding path program 1 times [2021-08-06 18:13:25,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:13:25,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281572101] [2021-08-06 18:13:25,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:13:25,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:13:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:13:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:26,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:13:26,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281572101] [2021-08-06 18:13:26,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281572101] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:26,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471867450] [2021-08-06 18:13:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:13:26,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:26,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:26,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:13:26,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-06 18:13:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:13:26,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-06 18:13:26,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:13:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:26,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471867450] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:26,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:13:26,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-08-06 18:13:26,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700550641] [2021-08-06 18:13:26,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-06 18:13:26,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:13:26,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-06 18:13:26,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-06 18:13:26,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:26,484 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:13:26,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:13:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:26,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-06 18:13:26,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-06 18:13:26,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:13:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:13:26,774 INFO L82 PathProgramCache]: Analyzing trace with hash -303786436, now seen corresponding path program 2 times [2021-08-06 18:13:26,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:13:26,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163615444] [2021-08-06 18:13:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:13:26,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:13:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:13:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:27,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:13:27,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163615444] [2021-08-06 18:13:27,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163615444] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:27,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765066632] [2021-08-06 18:13:27,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 18:13:27,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:27,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:27,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:13:27,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-06 18:13:27,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 18:13:27,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:13:27,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-06 18:13:27,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:13:29,325 INFO L354 Elim1Store]: treesize reduction 22, result has 66.2 percent of original size [2021-08-06 18:13:29,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 88 treesize of output 94 [2021-08-06 18:13:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:30,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765066632] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:30,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:13:30,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-08-06 18:13:30,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600571824] [2021-08-06 18:13:30,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-06 18:13:30,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:13:30,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-06 18:13:30,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2021-08-06 18:13:30,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:30,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:13:30,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 25 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:13:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:30,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:32,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:13:32,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-06 18:13:32,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:32,733 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:13:32,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:13:32,733 INFO L82 PathProgramCache]: Analyzing trace with hash 205819512, now seen corresponding path program 3 times [2021-08-06 18:13:32,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:13:32,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022789207] [2021-08-06 18:13:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:13:32,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:13:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:13:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:32,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:13:32,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022789207] [2021-08-06 18:13:32,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022789207] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:32,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982318402] [2021-08-06 18:13:32,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 18:13:32,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:32,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:32,850 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:13:32,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-06 18:13:32,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-06 18:13:32,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:13:32,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-06 18:13:32,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:13:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:33,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982318402] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:33,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:13:33,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-08-06 18:13:33,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316580937] [2021-08-06 18:13:33,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-06 18:13:33,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:13:33,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-06 18:13:33,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-08-06 18:13:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:33,361 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:13:33,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:13:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:13:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:13:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:13:33,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-06 18:13:33,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:33,852 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:13:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:13:33,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1530759882, now seen corresponding path program 4 times [2021-08-06 18:13:33,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:13:33,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046124589] [2021-08-06 18:13:33,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:13:33,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:13:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:13:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:34,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:13:34,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046124589] [2021-08-06 18:13:34,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046124589] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:34,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473673792] [2021-08-06 18:13:34,057 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-06 18:13:34,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:34,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:34,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:13:34,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-06 18:13:34,251 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-06 18:13:34,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:13:34,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-06 18:13:34,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:13:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-06 18:13:34,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473673792] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:34,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:13:34,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 27 [2021-08-06 18:13:34,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602936732] [2021-08-06 18:13:34,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-06 18:13:34,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:13:34,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-06 18:13:34,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2021-08-06 18:13:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:34,710 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:13:34,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:13:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:13:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:13:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:13:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:13:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:13:35,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-06 18:13:35,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:35,385 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:13:35,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:13:35,385 INFO L82 PathProgramCache]: Analyzing trace with hash 789750194, now seen corresponding path program 5 times [2021-08-06 18:13:35,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:13:35,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900808525] [2021-08-06 18:13:35,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:13:35,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:13:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:13:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:35,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:13:35,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900808525] [2021-08-06 18:13:35,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900808525] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:35,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892630150] [2021-08-06 18:13:35,610 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-06 18:13:35,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:35,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:35,614 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:13:35,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-06 18:13:35,794 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-06 18:13:35,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:13:35,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-06 18:13:35,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:13:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:36,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892630150] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:36,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:13:36,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-08-06 18:13:36,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113475118] [2021-08-06 18:13:36,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-06 18:13:36,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:13:36,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-06 18:13:36,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2021-08-06 18:13:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:36,464 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:13:36,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.59375) internal successors, (83), 32 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:13:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:13:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:13:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:13:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:13:36,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:13:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:13:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:13:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:13:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-06 18:13:36,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-06 18:13:36,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:36,968 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:13:36,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:13:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1985993746, now seen corresponding path program 6 times [2021-08-06 18:13:36,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:13:36,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584559797] [2021-08-06 18:13:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:13:36,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:13:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:13:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:13:39,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:13:39,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584559797] [2021-08-06 18:13:39,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584559797] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:13:39,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559614362] [2021-08-06 18:13:39,984 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-06 18:13:39,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:13:39,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:13:39,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:13:39,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-06 18:13:40,258 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-06 18:13:40,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:13:40,260 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 62 conjunts are in the unsatisfiable core [2021-08-06 18:13:40,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:13:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:13:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:13:52,726 INFO L354 Elim1Store]: treesize reduction 626, result has 28.9 percent of original size [2021-08-06 18:13:52,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 91 case distinctions, treesize of input 327 treesize of output 401 [2021-08-06 18:14:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:14:51,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559614362] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:14:51,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:14:51,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29] total 51 [2021-08-06 18:14:51,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256246842] [2021-08-06 18:14:52,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-08-06 18:14:52,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:14:52,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-08-06 18:14:52,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=2374, Unknown=0, NotChecked=0, Total=2550 [2021-08-06 18:14:52,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:14:52,001 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:14:52,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.9411764705882353) internal successors, (99), 51 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:14:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:14:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:14:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:14:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:14:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-06 18:14:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:15:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-06 18:15:13,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:13,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-06 18:15:13,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:13,241 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:15:13,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:15:13,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1261868768, now seen corresponding path program 7 times [2021-08-06 18:15:13,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:15:13,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846075078] [2021-08-06 18:15:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:15:13,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:15:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:15:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 64 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:13,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:15:13,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846075078] [2021-08-06 18:15:13,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846075078] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:13,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168828170] [2021-08-06 18:15:13,536 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-06 18:15:13,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:13,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:15:13,536 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:15:13,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-06 18:15:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:15:14,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-06 18:15:14,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:15:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:15,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168828170] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:15,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:15:15,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-08-06 18:15:15,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869883115] [2021-08-06 18:15:15,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-08-06 18:15:15,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:15:15,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-08-06 18:15:15,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1408, Unknown=0, NotChecked=0, Total=1722 [2021-08-06 18:15:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:15,067 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:15:15,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.4285714285714284) internal successors, (102), 42 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:15:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:15:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-06 18:15:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:16,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-06 18:15:16,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-06 18:15:16,336 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:15:16,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:15:16,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1927652380, now seen corresponding path program 8 times [2021-08-06 18:15:16,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:15:16,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383077590] [2021-08-06 18:15:16,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:15:16,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:15:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:15:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 165 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:16,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:15:16,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383077590] [2021-08-06 18:15:16,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383077590] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:16,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135994808] [2021-08-06 18:15:16,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 18:15:16,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:16,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:15:16,886 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:15:16,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-06 18:15:17,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 18:15:17,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:15:17,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-06 18:15:17,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:15:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 226 proven. 100 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-08-06 18:15:18,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135994808] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:18,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:15:18,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 25] total 55 [2021-08-06 18:15:18,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416192277] [2021-08-06 18:15:18,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-08-06 18:15:18,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:15:18,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-08-06 18:15:18,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=2543, Unknown=0, NotChecked=0, Total=2970 [2021-08-06 18:15:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:18,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:15:18,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.4363636363636365) internal successors, (134), 55 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:15:18,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:18,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:18,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:18,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:18,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:18,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:18,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:18,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:15:19,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-06 18:15:19,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:19,585 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:15:19,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:15:19,585 INFO L82 PathProgramCache]: Analyzing trace with hash -563480480, now seen corresponding path program 9 times [2021-08-06 18:15:19,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:15:19,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272366432] [2021-08-06 18:15:19,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:15:19,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:15:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:15:20,049 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 154 proven. 250 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:20,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:15:20,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272366432] [2021-08-06 18:15:20,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272366432] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:20,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948626230] [2021-08-06 18:15:20,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 18:15:20,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:20,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:15:20,050 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:15:20,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-06 18:15:20,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-08-06 18:15:20,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:15:20,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-06 18:15:20,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:15:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 154 proven. 250 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:22,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948626230] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:22,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:15:22,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 61 [2021-08-06 18:15:22,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891821814] [2021-08-06 18:15:22,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-08-06 18:15:22,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:15:22,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-08-06 18:15:22,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=639, Invalid=3021, Unknown=0, NotChecked=0, Total=3660 [2021-08-06 18:15:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:22,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:15:22,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.3114754098360657) internal successors, (141), 61 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:15:22,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:15:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:22,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-06 18:15:22,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-06 18:15:22,698 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:15:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:15:22,699 INFO L82 PathProgramCache]: Analyzing trace with hash -788559204, now seen corresponding path program 10 times [2021-08-06 18:15:22,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:15:22,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688957830] [2021-08-06 18:15:22,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:15:22,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:15:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:15:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 154 proven. 302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:23,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:15:23,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688957830] [2021-08-06 18:15:23,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688957830] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:23,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527307149] [2021-08-06 18:15:23,255 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-06 18:15:23,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:23,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:15:23,256 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) [2021-08-06 18:15:23,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-06 18:15:24,012 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-06 18:15:24,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:15:24,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-06 18:15:24,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:15:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 214 proven. 230 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-06 18:15:25,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527307149] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:25,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:15:25,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 33] total 65 [2021-08-06 18:15:25,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708234971] [2021-08-06 18:15:25,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-06 18:15:25,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:15:25,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-06 18:15:25,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=3428, Unknown=0, NotChecked=0, Total=4160 [2021-08-06 18:15:25,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:25,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:15:25,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.353846153846154) internal successors, (153), 65 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:15:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:15:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:15:26,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-06 18:15:26,297 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,SelfDestructingSolverStorable9 [2021-08-06 18:15:26,297 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:15:26,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:15:26,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2110365400, now seen corresponding path program 11 times [2021-08-06 18:15:26,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:15:26,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770152223] [2021-08-06 18:15:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:15:26,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:15:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:15:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 154 proven. 362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:26,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:15:26,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770152223] [2021-08-06 18:15:26,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770152223] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:26,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530897408] [2021-08-06 18:15:26,898 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-06 18:15:26,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:26,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:15:26,899 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) [2021-08-06 18:15:26,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-06 18:15:27,716 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-08-06 18:15:27,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:15:27,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-06 18:15:27,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:15:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 143 proven. 373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:29,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530897408] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:29,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:15:29,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 69 [2021-08-06 18:15:29,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066339821] [2021-08-06 18:15:29,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-08-06 18:15:29,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:15:29,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-08-06 18:15:29,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=800, Invalid=3892, Unknown=0, NotChecked=0, Total=4692 [2021-08-06 18:15:29,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:29,230 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:15:29,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.36231884057971) internal successors, (163), 69 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:15:29,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:29,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:29,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:29,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:29,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:29,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:29,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:15:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:15:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:15:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:15:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:15:30,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-06 18:15:30,227 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,SelfDestructingSolverStorable10 [2021-08-06 18:15:30,227 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:15:30,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:15:30,228 INFO L82 PathProgramCache]: Analyzing trace with hash -759745260, now seen corresponding path program 12 times [2021-08-06 18:15:30,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:15:30,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312312722] [2021-08-06 18:15:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:15:30,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:15:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:15:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 120 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:15:45,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:15:45,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312312722] [2021-08-06 18:15:45,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312312722] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:15:45,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820998841] [2021-08-06 18:15:45,087 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-06 18:15:45,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:15:45,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:15:45,088 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) [2021-08-06 18:15:45,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-06 18:15:46,067 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-08-06 18:15:46,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:15:46,070 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 117 conjunts are in the unsatisfiable core [2021-08-06 18:15:46,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:16:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:16:18,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:16:18,844 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-06 18:16:18,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 225 disjoint index pairs (out of 276 index pairs), introduced 22 new quantified variables, introduced 7 case distinctions, treesize of input 566 treesize of output 316 [2021-08-06 18:16:28,406 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:16:28,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820998841] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:16:28,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:16:28,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45] total 87 [2021-08-06 18:16:28,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720065029] [2021-08-06 18:16:28,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-08-06 18:16:28,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:16:28,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-08-06 18:16:28,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=6937, Unknown=0, NotChecked=0, Total=7482 [2021-08-06 18:16:28,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:16:28,410 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:16:28,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.045977011494253) internal successors, (178), 87 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:16:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:16:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:16:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:16:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:16:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:16:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:16:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:16:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:16:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:16:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:16:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:16:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:17:23,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:17:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:17:23,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-06 18:17:23,429 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,SelfDestructingSolverStorable11 [2021-08-06 18:17:23,430 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:17:23,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:17:23,430 INFO L82 PathProgramCache]: Analyzing trace with hash -728286182, now seen corresponding path program 13 times [2021-08-06 18:17:23,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:17:23,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608384343] [2021-08-06 18:17:23,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:17:23,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:17:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:17:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 1224 proven. 547 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:17:25,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:17:25,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608384343] [2021-08-06 18:17:25,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608384343] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:17:25,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788290503] [2021-08-06 18:17:25,035 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-06 18:17:25,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:17:25,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:17:25,035 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) [2021-08-06 18:17:25,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-06 18:17:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:17:27,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-06 18:17:27,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:17:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 1295 proven. 476 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:17:31,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788290503] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:17:31,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:17:31,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62] total 118 [2021-08-06 18:17:31,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344422731] [2021-08-06 18:17:31,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2021-08-06 18:17:31,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:17:31,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-08-06 18:17:31,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2666, Invalid=11140, Unknown=0, NotChecked=0, Total=13806 [2021-08-06 18:17:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:17:31,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:17:31,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 2.2033898305084745) internal successors, (260), 118 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:17:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:17:31,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:17:31,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:17:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:17:35,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:17:35,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-06 18:17:35,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:17:35,857 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:17:35,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:17:35,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1757609732, now seen corresponding path program 14 times [2021-08-06 18:17:35,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:17:35,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947772287] [2021-08-06 18:17:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:17:35,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:17:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:17:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 1552 proven. 1684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:17:38,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:17:38,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947772287] [2021-08-06 18:17:38,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947772287] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:17:38,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119467715] [2021-08-06 18:17:38,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 18:17:38,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:17:38,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:17:38,416 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) [2021-08-06 18:17:38,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-06 18:17:40,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 18:17:40,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:17:40,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 76 conjunts are in the unsatisfiable core [2021-08-06 18:17:40,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:17:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 1880 proven. 1296 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-08-06 18:17:46,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119467715] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:17:46,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:17:46,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 77] total 161 [2021-08-06 18:17:46,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237361035] [2021-08-06 18:17:46,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2021-08-06 18:17:46,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:17:46,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2021-08-06 18:17:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3372, Invalid=22388, Unknown=0, NotChecked=0, Total=25760 [2021-08-06 18:17:46,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:17:46,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:17:46,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 2.1490683229813663) internal successors, (346), 161 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:17:46,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:17:46,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:46,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:17:46,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:17:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:17:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:17:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:17:51,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-06 18:17:51,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:17:51,317 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:17:51,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:17:51,318 INFO L82 PathProgramCache]: Analyzing trace with hash -795315134, now seen corresponding path program 15 times [2021-08-06 18:17:51,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:17:51,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151997161] [2021-08-06 18:17:51,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:17:51,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:17:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:17:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 2808 proven. 2335 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:17:55,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:17:55,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151997161] [2021-08-06 18:17:55,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151997161] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:17:55,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090099780] [2021-08-06 18:17:55,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 18:17:55,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:17:55,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:17:55,243 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) [2021-08-06 18:17:55,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-06 18:17:58,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 56 check-sat command(s) [2021-08-06 18:17:58,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:17:58,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 107 conjunts are in the unsatisfiable core [2021-08-06 18:17:58,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:18:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 2915 proven. 2228 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:18:07,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090099780] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:18:07,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:18:07,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 106] total 206 [2021-08-06 18:18:07,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231209000] [2021-08-06 18:18:07,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 206 states [2021-08-06 18:18:07,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:18:07,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2021-08-06 18:18:07,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7728, Invalid=34502, Unknown=0, NotChecked=0, Total=42230 [2021-08-06 18:18:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:18:07,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:18:07,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 206 states, 206 states have (on average 2.116504854368932) internal successors, (436), 206 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:18:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:18:07,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:18:07,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:18:07,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:18:07,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:18:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:18:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:18:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:18:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:18:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:18:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:18:22,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-06 18:18:23,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-06 18:18:23,049 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:18:23,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:18:23,049 INFO L82 PathProgramCache]: Analyzing trace with hash 328133172, now seen corresponding path program 16 times [2021-08-06 18:18:23,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:18:23,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148422141] [2021-08-06 18:18:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:18:23,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:18:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:18:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6764 backedges. 3280 proven. 3484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:18:28,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:18:28,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148422141] [2021-08-06 18:18:28,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148422141] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:18:28,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084493762] [2021-08-06 18:18:28,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-06 18:18:28,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:18:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:18:28,350 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) [2021-08-06 18:18:28,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-06 18:18:31,044 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-06 18:18:31,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:18:31,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 112 conjunts are in the unsatisfiable core [2021-08-06 18:18:31,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:18:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6764 backedges. 3788 proven. 2916 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-08-06 18:18:41,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084493762] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:18:41,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:18:41,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [122, 113] total 233 [2021-08-06 18:18:41,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844395647] [2021-08-06 18:18:41,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 233 states [2021-08-06 18:18:41,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:18:41,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2021-08-06 18:18:41,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6972, Invalid=47084, Unknown=0, NotChecked=0, Total=54056 [2021-08-06 18:18:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:18:41,335 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:18:41,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 233 states, 233 states have (on average 2.1030042918454934) internal successors, (490), 233 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:18:41,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:18:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:18:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:18:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:18:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:18:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:18:51,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-06 18:18:51,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-06 18:18:51,769 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:18:51,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:18:51,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1331802246, now seen corresponding path program 17 times [2021-08-06 18:18:51,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:18:51,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562543079] [2021-08-06 18:18:51,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:18:51,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:18:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:18:58,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9429 backedges. 5040 proven. 4387 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:18:58,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:18:58,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562543079] [2021-08-06 18:18:58,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562543079] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:18:58,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499211006] [2021-08-06 18:18:58,813 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-06 18:18:58,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:18:58,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:18:58,814 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) [2021-08-06 18:18:58,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-06 18:19:01,781 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 74 check-sat command(s) [2021-08-06 18:19:01,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:19:01,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 137 conjunts are in the unsatisfiable core [2021-08-06 18:19:01,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:19:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 9429 backedges. 4354 proven. 5043 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-06 18:19:18,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499211006] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:19:18,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:19:18,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 136] total 276 [2021-08-06 18:19:18,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22936510] [2021-08-06 18:19:18,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 276 states [2021-08-06 18:19:18,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:19:18,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 276 interpolants. [2021-08-06 18:19:18,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12981, Invalid=62919, Unknown=0, NotChecked=0, Total=75900 [2021-08-06 18:19:18,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:19:18,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:19:18,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 276 states, 276 states have (on average 2.0905797101449277) internal successors, (577), 276 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:19:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:19:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:19:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:19:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:19:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:19:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:20:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:20:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:20:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:20:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:20:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:20:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:20:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:20:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 617 states. [2021-08-06 18:20:27,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-06 18:20:27,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-06 18:20:27,544 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:20:27,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:20:27,544 INFO L82 PathProgramCache]: Analyzing trace with hash 446979470, now seen corresponding path program 18 times [2021-08-06 18:20:27,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:20:27,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293692155] [2021-08-06 18:20:27,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:20:27,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:20:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:20:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11429 backedges. 5507 proven. 5922 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:20:36,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:20:36,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293692155] [2021-08-06 18:20:36,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293692155] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:20:36,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567896713] [2021-08-06 18:20:36,054 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-06 18:20:36,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:20:36,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:20:36,055 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) [2021-08-06 18:20:36,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-06 18:20:39,752 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 80 check-sat command(s) [2021-08-06 18:20:39,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:20:39,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 156 conjunts are in the unsatisfiable core [2021-08-06 18:20:39,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:20:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11429 backedges. 5507 proven. 5922 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:20:57,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567896713] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:20:57,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:20:57,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [157, 157] total 306 [2021-08-06 18:20:57,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637335139] [2021-08-06 18:20:57,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 306 states [2021-08-06 18:20:57,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:20:57,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 306 interpolants. [2021-08-06 18:20:57,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17057, Invalid=76273, Unknown=0, NotChecked=0, Total=93330 [2021-08-06 18:20:57,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:20:57,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:20:57,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 306 states, 306 states have (on average 2.0620915032679736) internal successors, (631), 306 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:20:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:20:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:20:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:20:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:20:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:20:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:20:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 617 states. [2021-08-06 18:20:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:21:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:21:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:21:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:21:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:21:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 805 states. [2021-08-06 18:21:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-08-06 18:21:33,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-06 18:21:33,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-06 18:21:33,751 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:21:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:21:33,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1062915668, now seen corresponding path program 19 times [2021-08-06 18:21:33,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:21:33,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908607698] [2021-08-06 18:21:33,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:21:33,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:21:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:21:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14846 backedges. 7920 proven. 6924 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:21:44,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:21:44,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908607698] [2021-08-06 18:21:44,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908607698] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:21:44,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985197632] [2021-08-06 18:21:44,745 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-06 18:21:44,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:21:44,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:21:44,746 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) [2021-08-06 18:21:44,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-06 18:21:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:21:48,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 178 conjunts are in the unsatisfiable core [2021-08-06 18:21:48,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:22:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14846 backedges. 8099 proven. 6745 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:22:14,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985197632] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:22:14,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:22:14,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [177, 177] total 348 [2021-08-06 18:22:14,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537294448] [2021-08-06 18:22:14,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 348 states [2021-08-06 18:22:14,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:22:14,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 348 interpolants. [2021-08-06 18:22:14,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22279, Invalid=98477, Unknown=0, NotChecked=0, Total=120756 [2021-08-06 18:22:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:22:14,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:22:14,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 348 states, 348 states have (on average 2.0689655172413794) internal successors, (720), 348 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:22:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 805 states. [2021-08-06 18:22:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2021-08-06 18:22:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 805 states. [2021-08-06 18:22:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-08-06 18:22:55,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 333 states. [2021-08-06 18:22:55,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-06 18:22:56,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:22:56,123 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:22:56,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:22:56,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1476252836, now seen corresponding path program 20 times [2021-08-06 18:22:56,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:22:56,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245034378] [2021-08-06 18:22:56,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:22:56,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:22:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:23:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 17708 backedges. 8680 proven. 9028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:23:08,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:23:08,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245034378] [2021-08-06 18:23:08,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245034378] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:23:08,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252436184] [2021-08-06 18:23:08,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 18:23:08,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:23:08,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:23:08,627 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) [2021-08-06 18:23:08,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-06 18:23:12,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 18:23:12,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:23:12,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 184 conjunts are in the unsatisfiable core [2021-08-06 18:23:12,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:23:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 17708 backedges. 9548 proven. 8100 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-08-06 18:23:37,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252436184] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:23:37,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:23:37,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [194, 185] total 377 [2021-08-06 18:23:37,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100766440] [2021-08-06 18:23:37,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 377 states [2021-08-06 18:23:37,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:23:37,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 377 interpolants. [2021-08-06 18:23:37,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18060, Invalid=123692, Unknown=0, NotChecked=0, Total=141752 [2021-08-06 18:23:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:23:37,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:23:37,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 377 states, 377 states have (on average 2.0636604774535807) internal successors, (778), 377 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 805 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2021-08-06 18:23:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 333 states. [2021-08-06 18:23:37,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:24:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:24:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 805 states. [2021-08-06 18:24:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-08-06 18:24:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 333 states. [2021-08-06 18:24:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2021-08-06 18:24:06,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-08-06 18:24:07,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:24:07,100 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 18:24:07,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:24:07,100 INFO L82 PathProgramCache]: Analyzing trace with hash -188539414, now seen corresponding path program 21 times [2021-08-06 18:24:07,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:24:07,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237808422] [2021-08-06 18:24:07,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:24:07,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:24:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:24:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 21885 backedges. 11448 proven. 10435 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:24:22,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:24:22,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237808422] [2021-08-06 18:24:22,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237808422] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:24:22,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889825281] [2021-08-06 18:24:22,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 18:24:22,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:24:22,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:24:22,634 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) [2021-08-06 18:24:22,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-06 18:24:27,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 110 check-sat command(s) [2021-08-06 18:24:27,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:24:27,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 215 conjunts are in the unsatisfiable core [2021-08-06 18:24:27,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:25:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21885 backedges. 11663 proven. 10220 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 18:25:05,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889825281] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:25:05,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:25:05,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [214, 214] total 422 [2021-08-06 18:25:05,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835764550] [2021-08-06 18:25:05,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 422 states [2021-08-06 18:25:05,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:25:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 422 interpolants. [2021-08-06 18:25:05,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32838, Invalid=144824, Unknown=0, NotChecked=0, Total=177662 [2021-08-06 18:25:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:25:05,328 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 18:25:05,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 422 states, 422 states have (on average 2.056872037914692) internal successors, (868), 422 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 805 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 333 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2021-08-06 18:25:05,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-08-06 18:25:30,564 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-06 18:25:30,565 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-06 18:25:30,565 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-06 18:25:30,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-08-06 18:25:30,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:25:30,759 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 622 known predicates. [2021-08-06 18:25:30,761 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-06 18:25:30,761 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 18:25:30,762 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-06 18:25:30,762 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-06 18:25:30,766 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-06 18:25:30,766 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-06 18:25:30,768 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 06:25:30 BasicIcfg [2021-08-06 18:25:30,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-06 18:25:30,768 INFO L168 Benchmark]: Toolchain (without parser) took 725573.23 ms. Allocated memory was 187.7 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 168.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 806.0 MB. Max. memory is 8.0 GB. [2021-08-06 18:25:30,769 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 187.7 MB. Free memory is still 169.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 18:25:30,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.08 ms. Allocated memory is still 187.7 MB. Free memory was 168.2 MB in the beginning and 166.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-06 18:25:30,769 INFO L168 Benchmark]: Boogie Preprocessor took 13.47 ms. Allocated memory is still 187.7 MB. Free memory was 166.7 MB in the beginning and 165.8 MB in the end (delta: 847.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 18:25:30,769 INFO L168 Benchmark]: RCFGBuilder took 349.30 ms. Allocated memory is still 187.7 MB. Free memory was 165.8 MB in the beginning and 151.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-06 18:25:30,769 INFO L168 Benchmark]: TraceAbstraction took 725178.85 ms. Allocated memory was 187.7 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 151.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 788.2 MB. Max. memory is 8.0 GB. [2021-08-06 18:25:30,769 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 187.7 MB. Free memory is still 169.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.08 ms. Allocated memory is still 187.7 MB. Free memory was 168.2 MB in the beginning and 166.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.47 ms. Allocated memory is still 187.7 MB. Free memory was 166.7 MB in the beginning and 165.8 MB in the end (delta: 847.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 349.30 ms. Allocated memory is still 187.7 MB. Free memory was 165.8 MB in the beginning and 151.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 725178.85 ms. Allocated memory was 187.7 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 151.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 788.2 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 622 known predicates. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 622 known predicates. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 622 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 PredicateComparison was comparing new predicate (quantifier-free) to 622 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 725052.6ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49.6ms, PartialOrderReductionTime: 318980.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 2902, 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: 337.2ms SsaConstructionTime, 4730.5ms SatisfiabilityAnalysisTime, 365076.1ms InterpolantComputationTime, 6730 NumberOfCodeBlocks, 6730 NumberOfCodeBlocksAsserted, 429 NumberOfCheckSat, 6688 ConstructedInterpolants, 21 QuantifiedInterpolants, 113807 SizeOfPredicates, 82 NumberOfNonLiveVariables, 6814 ConjunctsInSsa, 1620 ConjunctsInUnsatCore, 42 InterpolantComputations, 0 PerfectInterpolantSequences, 98555/189896 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